PISA Assessment Cycle (2 digits + 2 character Assessment type - MS\FT)

Stratum ID 7-character (cnt + region ID + original stratum ID)

MDA - stratum 10: Russian\Big city\Mixed
ALB - stratum 10: Rural \ Center \ Private
MAC - stratum 10: Private-not- in-Net, Grammar-International, Chinese and English
DOM - stratum 10: PUBLIC,RURAL,ISCED 3,School with not modal grade -- 10
LBN - stratum 10: ISCED3AG,Private,Urban -- 10
FIN - stratum 10: Swedish speaking area-Rural
TTO - stratum 10: St. George East\Secular
ISR - stratum 10: Hebrew-Ultra-Orthodox-Mix
PRT - stratum 10: Alto Minho,Non Modal grade -- 10
URY - stratum 10: Rur. w. lower sec. degree \ Lower secondary
ESP - stratum 10: Canary Islands, private, NA
QES - stratum 10: Canary Islands, private, NA
ARE - stratum 10: Abu Dhabi \ Other \ Private
BEL - stratum 10: 10: Flanders\Gen Ed and other type\network comm. Schls\ISCED2
LTU - stratum 10: Lithuanian \ City \ other
KAZ - stratum 10: Atyrauskaya oblast \ Kazakh \ non-intellectual
QUK - stratum 10: England,independent,Greater London,male -- 10
CHE - stratum 10: French, ISCED2, public
QCH - stratum 10: Beijing_other\City\Academic\ISCED3
CHL - stratum 10: SUBSIDIZED,PRIMARY & SECONDARY,SECONDARY HUMANISTIC SCIENTIFIC,HAS 10TH GRADE
VNM - stratum 10: Central Vietnam,<50% public funding,Urban
DEU - stratum 10: NOR\Nordrhein-Westfalen (NW)
COL - stratum 10: 10: MANIZALES-ESCUELA ACTIVA \ NO MODAL \ REST
TAP - stratum 10: comprehensive high school (5) \ Private (1)
QUD - stratum 10: Puerto Rico Private (USA)
BRA - stratum 10: 10 BAHIA\NO MODAL GRADE
ISL - stratum 20: Norðurland vestra \ >35
PRT - stratum 20: Baixo Alentejo,Non Modal grade -- 20
BRA - stratum 20: 20 MARANHÃO\NO MODAL GRADE
ESP - stratum 20: Extremadura, private, NA
QES - stratum 20: Extremadura, private, NA
BEL - stratum 20: 20: Flanders\Special Ed\network comm. schls
LTU - stratum 20: Lithuanian \ village \ other
KAZ - stratum 20: West-Kazakhstan oblast \ Russian \ non-intellectual
QUK - stratum 20: England,maintained selective,South,female -- 20
ARE - stratum 20: Dubai \ Other \ Private
QCH - stratum 20: Guangdong\City\Academic\ISCED2
CHL - stratum 20: PRIVATE,PRIMARY,PRIMARY,NO 10TH GRADE
COL - stratum 20: 20: REST OF THE COUNTRY \ MODAL \ REST
PRT - stratum 30: Lezíria do Tejo,Non Modal grade -- 30
CZE - stratum 30: Voc-Tech-Conservatory with maturate
KAZ - stratum 30: Kyzyl-Ordinskaya oblast \ Kazakh\Russian \ non-intellectual
QUK - stratum 30: England,maintained non-selective,South,male -- 30
BEL - stratum 30: 30: French com\Part-time Vocational Ed
TUR - stratum 30: TRA VOCATIONAL AND TECHNICAL SECONDARY
ARE - stratum 30: Sharjah \ Other \ Private
QCH - stratum 30: Guangdong\Town\Academic\Mixed
BRA - stratum 30: 30 PARAÍBA\NO MODAL GRADE
PRT - stratum 40: Região de Aveiro,Non Modal grade -- 40
BRA - stratum 40: 40 RIO GRANDE DO NORTE\NO MODAL GRADE
ESP - stratum 40: Ceuta and Melilla, private, NA
QES - stratum 40: Ceuta and Melilla, private, NA
KAZ - stratum 40: South-Kazakhstan oblast \ Kazakh \ non-intellectual
QUK - stratum 40: England,academy,Midlands,mixed -- 40
ITA - stratum 40: F.V.G. non slovenian Medie
ARE - stratum 40: Ajman \ Other \ Private
QCH - stratum 40: Jiangsu\Town\Academic\ISCED2
PRT - stratum 50: Viseu Dão Lafões,Non Modal grade -- 50
QUK - stratum 50: Wales,Maintained,Powys & South West,mixed -- 50
QCH - stratum 50: Shanghai\Rural\Academic\Mixed
BRA - stratum 50: 50 SÃO PAULO\NO MODAL GRADE
QUK - stratum 60: Wales,independent,South East Wales,mixed -- 60
ARE - stratum 60: Ras Al Khaimah \ Other \ Private
QUK - stratum 70: Northern Ireland,maintained selective,Western,male -- 70
QUK - stratum 80: Northern Ireland,maintained selective,Southern,mixed -- 80
QUK - stratum 90: Northern Ireland,maintained non-selective,South Eastern,male -- 90
MDA - stratum 01: Romanian\Big city\Mixed
ALB - stratum 01: Urban \ North \ Public
MAC - stratum 01: Government, Grammar-International, Chinese and Portuguese
HKG - stratum 01: Government\Modal grade
IRL - stratum 01: up to 40\community-comprehensive
LBN - stratum 01: ISCED2AG,Private,Rural -- 1
IDN - stratum 01: National Exam Result-Good
FIN - stratum 01: Helsinki\Uusimaa-Urban
PER - stratum 01: Public\Urban\Modal grade
NOR - stratum 01: Lower secondary schools
PRT - stratum 01: Alentejo Central,Modal Grade -- 1
HRV - stratum 01: Four year vocational prog
MEX - stratum 01: Lower Secondary \ Large
QCY - stratum 01: General,Public,Urban -- 1
URY - stratum 01: Pub. Gen. Sec \ Lower secondary
SVN - stratum 01: GIMg - gymnasia general
THA - stratum 01: OBEC,ISCED2 only -- 01
CHE - stratum 01: German, ISCED2, public
ARE - stratum 01: Abu Dhabi \ MoE \ Public
QCH - stratum 01: Beijing_Fangshan\Rural\Academic\ISCED2
BEL - stratum 01: 01: Flanders\Gen Ed only\private subsidized\ISCED2
CHL - stratum 01: MUNICIPAL,PRIMARY,PRIMARY,NO 10TH GRADE
COL - stratum 01: 01: BOGOTÁ \ MODAL \ COMPLETE
VNM - stratum 01: Northern Vietnam,>50% public funding,Urban
CAN - stratum 01: prov 10 Fr.& Eng. 0,1,2
TAP - stratum 01: general junior high school (1) \ Public (0)
KOR - stratum 01: Lower Secondary,General -- 01
MYS - stratum 01: MOE National Secondary School\Other States
DEU - stratum 01: NOR\Baden-Württemberg (BW)
LTU - stratum 01: Lithuanian \ Capital \ Gymnasium
LUX - stratum 01: 1: ES government public
KAZ - stratum 01: Akmolinskaya oblast \ Kazakh \ non-intellectual
QUK - stratum 01: England,independent,North,male -- 1
MDA - stratum 11: Russian\Big city\ISCED2
ALB - stratum 11: Rural \ South \ Public
DOM - stratum 11: PUBLIC,RURAL,MIXED,School with modal grade -- 11
LBN - stratum 11: ISCED3AG,Public,Rural -- 11
TTO - stratum 11: St. George East\Religious
ISR - stratum 11: Apprenticeship institutions - Hebrew
PRT - stratum 11: Alto Tâmega,Modal Grade -- 11
BEL - stratum 11: 11: Flanders\Gen Ed and other type\network comm. Schls\ISCED3
LTU - stratum 11: Lithuanian \ town \ Gymnasium
KAZ - stratum 11: Atyrauskaya oblast \ Russian \ non-intellectual
QUK - stratum 11: England,independent,Greater London,mixed -- 11
THA - stratum 11: BLDC,ISCED3 only -- 11
CHE - stratum 11: French, ISCED2, private-subsidized
QCH - stratum 11: Beijing_other\City\Academic\Mixed
CHL - stratum 11: SUBSIDIZED,PRIMARY & SECONDARY,SECONDARY HUMANISTIC SCIENTIFIC,NO 10TH GRADE
VNM - stratum 11: Central Vietnam,<50% public funding,Rural
CAN - stratum 11: prov 11 Fr.& Eng. 0,1,2
DEU - stratum 11: NOR\Rheinland-Pfalz (RP)
TAP - stratum 11: five-year college (6) \ Public (0)
QUD - stratum 11: Puerto Rico Public (USA)
COL - stratum 11: 11: MEDELLÍN \ MODAL \ COMPLETE
ISL - stratum 21: Norðurland eystra \ 1-8
GEO - stratum 21: Shida Qartli \ Private
PRT - stratum 21: Beira Baixa,Modal Grade -- 21
BEL - stratum 21: 21: Flanders\Part-time Vocational Ed
KAZ - stratum 21: West-Kazakhstan oblast \ Kazakh\Russian \ non-intellectual
BRA - stratum 21: 21 MATO GROSSO\MODAL GRADE
QUK - stratum 21: England,maintained selective,Greater London,male -- 21
TUR - stratum 21: TR7 VOCATIONAL AND TECHNICAL SECONDARY
CHE - stratum 21: Italian, ISCED2, private-not subsidized
ARE - stratum 21: Sharjah \ MoE \ Public
QCH - stratum 21: Guangdong \City\Academic\ISCED3
CHL - stratum 21: PRIVATE,PRIMARY & SECONDARY,SECONDARY HUMANISTIC SCIENTIFIC,HAS 10TH GRADE
COL - stratum 21: 21: REST OF THE COUNTRY \ NO MODAL \ COMPLETE
PRT - stratum 31: Médio Tejo,Modal Grade -- 31
ESP - stratum 31: Basque Country, public, A
QES - stratum 31: Basque Country, public, A
KAZ - stratum 31: Mangystauskaya oblast \ Kazakh \ non-intellectual
QUK - stratum 31: England,maintained non-selective,South,mixed -- 31
CZE - stratum 31: Voc-Tech Secondary without maturate
QCH - stratum 31: Guangdong \Town\Vocational\ISCED3
BEL - stratum 31: 31: German com\Regular
ITA - stratum 31: Basilicata Professionale
PRT - stratum 41: Região de Coimbra,Modal Grade -- 41
KAZ - stratum 41: South-Kazakhstan oblast \ Russian \ non-intellectual
QUK - stratum 41: England,academy,Midlands,female -- 41
BRA - stratum 41: 41 RIO GRANDE DO SUL\MODAL GRADE
ITA - stratum 41: F.V.G. non slovenian Formazione Professionale
QCH - stratum 41: Jiangsu \Town\Academic\ISCED3
ARE - stratum 41: Umm Al Quwain \ MoE \ Public
ITA - stratum 51: Liguria Formazione Professionale
QUK - stratum 51: Wales,Maintained,Powys & South West,female -- 51
QCH - stratum 51: Shanghai\Town\Academic\ISCED2
ARE - stratum 51: Ras Al Khaimah \ MoE \ Public
BRA - stratum 51: 51 SERGIPE\MODAL GRADE
QUK - stratum 61: Wales,independent,South East Wales,female -- 61
ARE - stratum 61: Fujairah \ MoE \ Public
QUK - stratum 71: Northern Ireland,maintained selective,Western,mixed -- 71
QUK - stratum 81: Northern Ireland,maintained selective,Southern,female -- 81
QUK - stratum 91: Northern Ireland,maintained non-selective,South Eastern,mixed -- 91
MDA - stratum 02: Romanian\Big city\ISCED2
ALB - stratum 02: Urban \ North \ Private
MAC - stratum 02: Government, Technical-Vocational, Chinese
SWE - stratum 02: PUB\LOWER SEC\LARGE CITIES
IRL - stratum 02: 41-80\community-comprehensive
LBN - stratum 02: ISCED2AG,Private,Urban -- 2
IDN - stratum 02: National Exam Result-Moderate
FIN - stratum 02: Helsinki\Uusimaa-Rural
HUN - stratum 02: Grammar school 1 (4-5 years long) -- 2
QSC - stratum 02: pub fund-second lowest
PER - stratum 02: Public\Urban\No modal grade
NOR - stratum 02: Upper secondary schools
ISR - stratum 02: Hebrew-religious-Female
PRT - stratum 02: Alentejo Central,Non Modal grade -- 2
HRV - stratum 02: Vocational - industrial - crafts prog.
MEX - stratum 02: Lower Secondary \ Moderately Small
QCY - stratum 02: General,Public,Rural -- 2
SVN - stratum 02: GIMs - gymnasia specialist
ESP - stratum 02: Andalusia, private, NA
QES - stratum 02: Andalusia, private, NA
USA - stratum 02: USA Northeast Public, has gr10
CHE - stratum 02: German, ISCED2, private-subsidized
ARE - stratum 02: Abu Dhabi \ MoE \ Private
QCH - stratum 02: Beijing_Fangshan\Rural\Academic\ISCED3
BEL - stratum 02: 02: Flanders\Gen Ed only\private subsidized\ISCED3
CHL - stratum 02: MUNICIPAL,PRIMARY & SECONDARY,SECONDARY HUMANISTIC SCIENTIFIC,HAS 10TH GRADE
COL - stratum 02: 02: BOGOTÁ \ MODAL \ REST
VNM - stratum 02: Northern Vietnam,>50% public funding,Rural
CAN - stratum 02: prov 10 Fr.& Eng. 3 to 20
TAP - stratum 02: general junior high school (1) \ Private (1)
QAT - region 01 stratum 02: Independent complex
LTU - stratum 02: Lithuanian \ Capital \ Secondary
LUX - stratum 02: 2: EST government public
KAZ - stratum 02: Akmolinskaya oblast \ Russian \ non-intellectual
QUK - stratum 02: England,independent,North,mixed -- 2
KOR - stratum 02: Upper Secondary,general -- 02
MYS - stratum 02: MOE Religious School\Other States
QAT - region 02 stratum 02: Independent complex
MDA - stratum 12: Russian\Big city\ISCED3
ALB - stratum 12: Rural \ South \ Private
LBN - stratum 12: ISCED3AG,Public,Urban -- 12
GEO - stratum 12: Mtskheta-Mtianeti \ Public
TTO - stratum 12: St. George East\Private
ISR - stratum 12: Apprenticeship institutions - Arabic
PRT - stratum 12: Alto Tâmega,Non Modal grade -- 12
ESP - stratum 12: Cantabria, private, NA
QES - stratum 12: Cantabria, private, NA
BEL - stratum 12: 12: Flanders\Gen Ed and other type\network comm. Schls\Mixed ISCED
TUR - stratum 12: TR4 VOCATIONAL AND TECHNICAL SECONDARY
LTU - stratum 12: Lithuanian \ town \ Secondary
KAZ - stratum 12: Atyrauskaya oblast \ Kazakh\Russian \ non-intellectual
QUK - stratum 12: England,independent,Greater London,female -- 12
THA - stratum 12: OHEC,ISCED2 only -- 12
CHE - stratum 12: French, ISCED2, private-not subsidized
QCH - stratum 12: Beijing_other\City\Vocational\ISCED3
CHL - stratum 12: SUBSIDIZED,PRIMARY & SECONDARY,SECONDARY HUMANISTIC SCIENTIFIC & TECH PROFESSIONAL,HAS 10TH GRADE
CAN - stratum 12: prov 11 Fr.& Eng. 3 to 20
TAP - stratum 12: five-year college (6) \ Private (1)
COL - stratum 12: 12: MEDELLÍN \ MODAL \ REST
BRA - stratum 12: 12 CEARÁ\NO MODAL GRADE
ISL - stratum 22: Norðurland eystra \ 9-16
DOM - stratum 22: PRIVATE,RURAL,ISCED 3,School with not modal grade -- 22
PRT - stratum 22: Beira Baixa,Non Modal grade -- 22
KAZ - stratum 22: Karagandinskaya oblast \ Kazakh \ non-intellectual
BRA - stratum 22: 22 MATO GROSSO\NO MODAL GRADE
QUK - stratum 22: England,maintained selective,Greater London,mixed -- 22
BEL - stratum 22: 22: French com\Regular\ISCED2
ARE - stratum 22: Sharjah \ MoE \ Private
QCH - stratum 22: Guangdong\City\Academic\Mixed
CHL - stratum 22: PRIVATE,PRIMARY & SECONDARY,SECONDARY HUMANISTIC SCIENTIFIC,NO 10TH GRADE
COL - stratum 22: 22: REST OF THE COUNTRY \ NO MODAL \ REST
PRT - stratum 32: Médio Tejo,Non Modal grade -- 32
ESP - stratum 32: Basque Country, public, B
QES - stratum 32: Basque Country, public, B
KAZ - stratum 32: Mangystauskaya oblast \ Russian \ non-intellectual
QUK - stratum 32: England,maintained non-selective,South,female -- 32
BEL - stratum 32: 32: German com\Special Ed
QCH - stratum 32: Jiangsu\City\Academic\ISCED2
BRA - stratum 32: 32 PARANÁ\NO MODAL GRADE
PRT - stratum 42: Região de Coimbra,Non Modal grade -- 42
KAZ - stratum 42: South-Kazakhstan oblast \ Kazakh\Russian \ non-intellectual
QUK - stratum 42: England,academy,South,male -- 42
BRA - stratum 42: 42 RIO GRANDE DO SUL\NO MODAL GRADE
QCH - stratum 42: Jiangsu\Town\Academic\Mixed
ARE - stratum 42: Umm Al Quwain \ MoE \ Private
RUS - stratum 52: Nizhni Novgorod region
QUK - stratum 52: Wales,Maintained,South East Wales,mixed -- 52
QCH - stratum 52: Shanghai \Town\Academic\ISCED3
ARE - stratum 52: Ras Al Khaimah \ MoE \ Private
BRA - stratum 52: 52 SERGIPE\NO MODAL GRADE
QUK - stratum 62: Northern Ireland,independent,Belfast,mixed -- 62
ARE - stratum 62: Fujairah \ MoE \ Private
QUK - stratum 72: Northern Ireland,maintained selective,Western,female -- 72
QUK - stratum 82: Northern Ireland,maintained non-selective,Belfast,male -- 82
QUK - stratum 92: Northern Ireland,maintained non-selective,South Eastern,female -- 92
MDA - stratum 03: Romanian\Big city\ISCED3
ALB - stratum 03: Urban \ Center \ Public
MAC - stratum 03: Private-in-Net, Grammar-International, Chinese
HKG - stratum 03: Aided or Caput\Modal grade
CRI - stratum 03: Public technical urban
IRL - stratum 03: 81 and up\community-comprehensive
DOM - stratum 03: PUBLIC,URBAN,ISCED 3,School with modal grade -- 3
LBN - stratum 03: ISCED2AG,Public,Rural -- 3
IDN - stratum 03: National Exam Result-Poor
FIN - stratum 03: Southern Finland-Urban
HUN - stratum 03: Grammar school 2 (6 years long) -- 3
PER - stratum 03: Public\Rural\Modal grade
RUS - stratum 03: Republic of Bashkortostan
PRT - stratum 03: Alentejo Litoral,Modal Grade -- 3
MEX - stratum 03: Lower Secondary \ Small
QCY - stratum 03: General,Private,Urban -- 3
URY - stratum 03: Pub. Gen. Sec \Upper Secondary
SVN - stratum 03: STSI - technical educational programmes
THA - stratum 03: OBEC,ISCED3 only -- 03
CHE - stratum 03: German, ISCED2, private-not subsidized
QCH - stratum 03: Beijing_Fangshan\Rural\Academic\Mixed
BEL - stratum 03: 03: Flanders\Gen Ed only\private subsidized\Mixed ISCED
CHL - stratum 03: MUNICIPAL,PRIMARY & SECONDARY,SECONDARY HUMANISTIC SCIENTIFIC,NO 10TH GRADE
COL - stratum 03: 03: BOGOTÁ \ NO MODAL \ COMPLETE
VNM - stratum 03: Northern Vietnam,>50% public funding,Remote area
CAN - stratum 03: prov 10 Fr.& Eng. 21 to 41
TAP - stratum 03: general senior high school (2) \ Public (0)
TUR - stratum 03: TR1 VOCATIONAL AND TECHNICAL SECONDARY
LTU - stratum 03: Lithuanian \ Capital \ basic
LUX - stratum 03: 3: ES+EST government public
KAZ - stratum 03: Akmolinskaya oblast \ Kazakh\Russian \ non-intellectual
QUK - stratum 03: England,independent,North,female -- 3
MYS - stratum 03: MOE Technical School\Other States
KOR - stratum 03: Upper Secondary,vocational -- 03
GEO - stratum 13: Mtskheta-Mtianeti \ Private
PRT - stratum 13: Área Metropolitana de Lisboa,Modal Grade -- 13
ESP - stratum 13: Castile and Leon, public, NA
QES - stratum 13: Castile and Leon, public, NA
BEL - stratum 13: 13: Flanders\Tech or Voc\private subsidized\ISCED2
LTU - stratum 13: Lithuanian \ town \ basic
KAZ - stratum 13: East-Kazakhstan oblast \ Kazakh \ non-intellectual
QUK - stratum 13: England,maintained selective,North,male -- 13
QCH - stratum 13: Beijing_other\Rural\Academic\ISCED2
CHL - stratum 13: SUBSIDIZED,PRIMARY & SECONDARY,SECONDARY TECHNICAL PROFESSIONAL,HAS 10TH GRADE
CAN - stratum 13: prov 11 Fr.& Eng. 21 to …
VNM - stratum 13: Southern Vietnam,>50% public funding,Urban
COL - stratum 13: 13: MEDELLÍN \ NO MODAL \ COMPLETE
BRA - stratum 13: 13 DISTRITO FEDERAL\MODAL GRADE
ISL - stratum 23: Norðurland eystra \ 17-35
DOM - stratum 23: PRIVATE,RURAL,MIXED,School with modal grade -- 23
GEO - stratum 23: Qvemo Qartli \ Private
PRT - stratum 23: Beiras e Serra da Estrela,Modal Grade -- 23
KAZ - stratum 23: Karagandinskaya oblast \ Russian \ non-intellectual
QUK - stratum 23: England,maintained selective,Greater London,female -- 23
BEL - stratum 23: 23: French com\Regular\ISCED3\Academic only
BRA - stratum 23: 23 MATO GROSSO DO SUL\MODAL GRADE
CHE - stratum 23: Italian, Mixed, private-subsidized
QCH - stratum 23: Guangdong \City\Vocational\ISCED3
CHL - stratum 23: PRIVATE,SECONDARY,SECONDARY HUMANISTIC SCIENTIFIC,HAS 10TH GRADE
LTU - stratum 23: Russian, Polish \ NA \ NA
DOM - stratum 33: SEMIOFICIAL,RURAL,ISCED 3,School with modal grade -- 33
PRT - stratum 33: Oeste,Modal Grade -- 33
ESP - stratum 33: Basque Country, public, D
QES - stratum 33: Basque Country, public, D
KAZ - stratum 33: Mangystauskaya oblast \ Kazakh\Russian \ non-intellectual
QUK - stratum 33: England,maintained non-selective,Greater London,male -- 33
TUR - stratum 33: TRB VOCATIONAL AND TECHNICAL SECONDARY
ITA - stratum 33: F.V.G. slovenian Licei
QCH - stratum 33: Jiangsu \City\Academic\ISCED3
BRA - stratum 33: 33 PERNAMBUCO\MODAL GRADE
PRT - stratum 43: Região de Leiria,Modal Grade -- 43
KAZ - stratum 43: Almaty city \ Kazakh \ non-intellectual
QUK - stratum 43: England,academy,South,mixed -- 43
BRA - stratum 43: 43 RONDÔNIA\MODAL GRADE
QCH - stratum 43: Jiangsu \Town\Vocational\ISCED3
QUK - stratum 53: Wales,Maintained,South East Wales,female -- 53
QCH - stratum 53: Shanghai\Town\Academic\Mixed
BRA - stratum 53: 53 TOCANTINS\MODAL GRADE
ITA - stratum 63: Valle d’Aosta Professionale
QUK - stratum 63: Northern Ireland,independent,Western,mixed -- 63
QUK - stratum 73: Northern Ireland,maintained selective,North Eastern,male -- 73
QUK - stratum 83: Northern Ireland,maintained non-selective,Belfast,mixed -- 83
QUK - stratum 93: Northern Ireland,maintained non-selective,Southern,male -- 93
ALB - stratum 04: Urban \ Center \ Private
MAC - stratum 04: Private-in-Net, Grammar-International, English
HKG - stratum 04: Aided or Caput\No modal grade
CRI - stratum 04: Public technical rural
DOM - stratum 04: PUBLIC,URBAN,ISCED 3,School with not modal grade -- 4
LBN - stratum 04: ISCED2AG,Public,Urban -- 4
FIN - stratum 04: Southern Finland-Rural
HUN - stratum 04: Grammar school 3 (8 years long) -- 4
QSC - stratum 04: pub fund-second highest
PER - stratum 04: Public\Rural\No modal grade
MLT - stratum 04: State \ Category A + Category B
PRT - stratum 04: Alentejo Litoral,Non Modal grade -- 4
MEX - stratum 04: Upper Secondary \ Large
QCY - stratum 04: General,Private,Rural -- 4
URY - stratum 04: Pri. Gen. Sec \ Lower secondary
SVN - stratum 04: SPI - vocational of medium duration
USA - stratum 04: USA Midwest Public, has gr10
ARE - stratum 04: Abu Dhabi \ US \ Private
QCH - stratum 04: Beijing_Fangshan\Rural\Vocational\ISCED3
BEL - stratum 04: 04: Flanders\Gen Ed only\network comm. Schls\ISCED2
CHL - stratum 04: MUNICIPAL,PRIMARY & SECONDARY,SECONDARY HUMANISTIC SCIENTIFIC & TECH PROFESSIONAL,HAS 10TH GRADE
COL - stratum 04: 04: BOGOTÁ \ NO MODAL \ REST
VNM - stratum 04: Northern Vietnam,<50% public funding,Urban
CAN - stratum 04: prov 10 Fr.& Eng. 42 to …
TAP - stratum 04: general senior high school (2) \ Private (1)
QAT - region 01 stratum 04: International
LTU - stratum 04: Lithuanian \ Capital \ progymnasium
LUX - stratum 04: 4: EST government private
KAZ - stratum 04: Aktubinskaya oblast \ Kazakh \ non-intellectual
QUK - stratum 04: England,independent,Midlands,male -- 4
THA - stratum 04: OPEC,ISCED2 only -- 04
BRA - stratum 04: 4 ALAGOAS\NO MODAL GRADE
MYS - stratum 04: MOE Fully Residential School
QAT - region 02 stratum 04: International
GEO - stratum 14: Racha-Lechkhumi \ Public
RUS - stratum 14: Republic of Sakha (Yakutia)
PRT - stratum 14: Área Metropolitana de Lisboa,Non Modal grade -- 14
ESP - stratum 14: Castile and Leon, private, NA
QES - stratum 14: Castile and Leon, private, NA
BEL - stratum 14: 14: Flanders\Tech or Voc\private subsidized\ISCED3
LTU - stratum 14: Lithuanian \ town \ progymnasium
KAZ - stratum 14: East-Kazakhstan oblast \ Russian \ non-intellectual
QUK - stratum 14: England,maintained selective,North,mixed -- 14
THA - stratum 14: OVEC,ISCED3 only -- 14
CHE - stratum 14: French, Mixed, private-subsidized
QCH - stratum 14: Beijing_other\Rural\Academic\ISCED3
CHL - stratum 14: SUBSIDIZED,PRIMARY & SECONDARY,SECONDARY TECHNICAL PROFESSIONAL,NO 10TH GRADE
DEU - stratum 14: NOR\Sachsen-Anhalt (ST)
ITA - stratum 14: Trento Formazione Professionale
VNM - stratum 14: Southern Vietnam,>50% public funding,Rural
COL - stratum 14: 14: MEDELLÍN \ NO MODAL \ REST
BRA - stratum 14: 14 DISTRITO FEDERAL\NO MODAL GRADE
ISL - stratum 24: Norðurland eystra \ > 35
PRT - stratum 24: Beiras e Serra da Estrela,Non Modal grade -- 24
KAZ - stratum 24: Karagandinskaya oblast \ Kazakh\Russian \ non-intellectual
QUK - stratum 24: England,maintained non-selective,North,male -- 24
BEL - stratum 24: 24: French com\Regular\ISCED3\Mixed
TUR - stratum 24: TR8 VOCATIONAL AND TECHNICAL SECONDARY
BRA - stratum 24: 24 MATO GROSSO DO SUL\NO MODAL GRADE
CHE - stratum 24: Italian, Mixed 2, private-not subsidized
ARE - stratum 24: Sharjah \ US \ Private
QCH - stratum 24: Guangdong\Rural\Academic\ISCED2
CHL - stratum 24: PRIVATE,SECONDARY,SECONDARY TECHNICAL PROFESSIONAL,HAS 10TH GRADE
ITA - stratum 24: Other Formazione Professionale
LTU - stratum 24: Other multi-language \ NA \ NA
PRT - stratum 34: Oeste,Non Modal grade -- 34
ESP - stratum 34: Basque Country, private, A
QES - stratum 34: Basque Country, private, A
KAZ - stratum 34: Pavlodarskaya oblast \ Kazakh \ non-intellectual
QUK - stratum 34: England,maintained non-selective,Greater London,mixed -- 34
ITA - stratum 34: F.V.G. slovenian Tecnici
QCH - stratum 34: Jiangsu\City\Academic\Mixed
BRA - stratum 34: 34 PERNAMBUCO\NO MODAL GRADE
PRT - stratum 44: Região de Leiria,Non Modal grade -- 44
KAZ - stratum 44: Almaty city \ Russian \ non-intellectual
QUK - stratum 44: England,academy,South,female -- 44
BRA - stratum 44: 44 RONDÔNIA\NO MODAL GRADE
QCH - stratum 44: Shanghai\City\Academic\ISCED2
QUK - stratum 54: Wales,independent,North Wales,male -- 54
ARE - stratum 54: Ras Al Khaimah \ US \ Private
BRA - stratum 54: 54 TOCANTINS\NO MODAL GRADE
QUK - stratum 64: Northern Ireland,independent,North Eastern,mixed -- 64
QUK - stratum 74: Northern Ireland,maintained selective,North Eastern,mixed -- 74
QUK - stratum 84: Northern Ireland,maintained non-selective,Belfast,female -- 84
QUK - stratum 94: Northern Ireland,maintained non-selective,Southern,mixed -- 94
ALB - stratum 05: Urban \ South \ Public
MAC - stratum 05: Private-in-Net, Grammar-International, Chinese and English
SWE - stratum 05: INDEP\LOWER and mixed ISCED2 & ISCED3\METRO
HKG - stratum 05: Private or International\Modal grade
ISL - stratum 05: Nágrenni Reykjavíkur \ 9-16
DOM - stratum 05: PUBLIC,URBAN,MIXED,School with modal grade -- 5
LBN - stratum 05: MIXED,Private,Rural -- 5
HUN - stratum 05: Vocational secondary school -- 5
TTO - stratum 05: North Eastern\Religious
PER - stratum 05: Private\Urban\Modal grade
MLT - stratum 05: State \ Category A+ Category B + Category C
PRT - stratum 05: Algarve,Modal Grade -- 5
MEX - stratum 05: Upper Secondary \ Moderately Small
QCY - stratum 05: Vocational,Public,Urban -- 5
SVN - stratum 05: NPI - vocational of short duration
ITA - stratum 05: Bolzano Formazione Professionale
CHE - stratum 05: German, Mixed, private-subsidized
QCH - stratum 05: Beijing_Fangshan\Town\Academic\ISCED2
BEL - stratum 05: 05: Flanders\Gen Ed only\network comm. Schls\ISCED3
CHL - stratum 05: MUNICIPAL,PRIMARY & SECONDARY,SECONDARY TECHNICAL PROFESSIONAL,HAS 10TH GRADE
VNM - stratum 05: Northern Vietnam,<50% public funding,Rural
LTU - stratum 05: Lithuanian \ Capital \ other
LUX - stratum 05: 5: ES+EST government private
KAZ - stratum 05: Aktubinskaya oblast \ Russian \ non-intellectual
QUK - stratum 05: England,independent,Midlands,mixed -- 5
COL - stratum 05: 05: REST OF MANIZALES \ MODAL \ COMPLETE
TAP - stratum 05: vocational senior high school (3) \ Public (0)
MYS - stratum 05: non-MOE MARA Junior Science College\Other States
DOM - stratum 15: PRIVATE,URBAN,ISCED 3,School with modal grade -- 15
GEO - stratum 15: Racha-Lechkhumi \ Private
PRT - stratum 15: Área Metropolitana do Porto,Modal Grade -- 15
ESP - stratum 15: Castile - La Mancha, public, NA
QES - stratum 15: Castile - La Mancha, public, NA
BEL - stratum 15: 15: Flanders\Tech or Voc\private subsidized\Mixed ISCED
LTU - stratum 15: Lithuanian \ town \ other
KAZ - stratum 15: East-Kazakhstan oblast \ Kazakh\Russian \ non-intellectual
QUK - stratum 15: England,maintained selective,Midlands,male -- 15
CHE - stratum 15: French, Mixed, private-not subsidized
QCH - stratum 15: Beijing_other\Rural\Academic\Mixed
CHL - stratum 15: SUBSIDIZED,SECONDARY,SECONDARY HUMANISTIC SCIENTIFIC,HAS 10TH GRADE
TUR - stratum 15: TR5 VOCATIONAL AND TECHNICAL SECONDARY
DEU - stratum 15: NOR\Schleswig-Holstein (SH)
VNM - stratum 15: Southern Vietnam,>50% public funding,Remote area
COL - stratum 15: 15: CALI \ MODAL \ COMPLETE
BRA - stratum 15: 15 ESPÍRITO SANTO\MODAL GRADE
PRT - stratum 25: Cávado,Modal Grade -- 25
KAZ - stratum 25: Kostanayskaya oblast \ Kazakh \ non-intellectual
QUK - stratum 25: England,maintained non-selective,North,mixed -- 25
BEL - stratum 25: 25: French com\Regular\ISCED3\Vocational only
CHE - stratum 25: Italian, ISCED3, public
QCH - stratum 25: Guangdong \Rural\Academic\ISCED3
BRA - stratum 25: 25 MINAS GERAIS\MODAL GRADE
DOM - stratum 35: SEMIOFICIAL,RURAL,MIXED,School with modal grade -- 35
PRT - stratum 35: R. A. Madeira,Modal Grade -- 35
ESP - stratum 35: Basque Country, private, B
QES - stratum 35: Basque Country, private, B
KAZ - stratum 35: Pavlodarskaya oblast \ Russian \ non-intellectual
QUK - stratum 35: England,maintained non-selective,Greater London,female -- 35
ITA - stratum 35: F.V.G. slovenian Professionale
QCH - stratum 35: Jiangsu \City\Vocational\ISCED3
PRT - stratum 45: Tâmega e Sousa,Modal Grade -- 45
KAZ - stratum 45: Almaty city \ Kazakh\Russian \ non-intellectual
QUK - stratum 45: England,academy,Greater London,male -- 45
BRA - stratum 45: 45 RORAIMA\MODAL GRADE
QCH - stratum 45: Shanghai \City\Academic\ISCED3
QUK - stratum 55: Wales,independent,North Wales,mixed -- 55
QUK - stratum 65: Northern Ireland,independent,South Eastern,mixed -- 65
QUK - stratum 75: Northern Ireland,maintained selective,North Eastern,female -- 75
QUK - stratum 85: Northern Ireland,maintained non-selective,Western,male -- 85
QUK - stratum 95: Northern Ireland,maintained non-selective,Southern,female -- 95
ALB - stratum 06: Urban \ South \ Private
MAC - stratum 06: Private-in-Net, Technical-Vocational, Chinese
SWE - stratum 06: INDEP\LOWER SEC\LARGE CITIES
ISL - stratum 06: Nágrenni Reykjavíkur \ 17-35
LBN - stratum 06: MIXED,Private,Urban -- 6
HUN - stratum 06: Vocational school -- 6
PER - stratum 06: Private\Urban\No modal grade
MLT - stratum 06: State \ Category A + Category C
PRT - stratum 06: Algarve,Non Modal grade -- 6
HRV - stratum 06: Primary schools (lower secondary education)
MEX - stratum 06: Upper Secondary \ Small
QCY - stratum 06: Vocational,Public,Rural -- 6
URY - stratum 06: Pri. Gen. Sec \Upper Secondary
SVN - stratum 06: OS - elementary school
CHE - stratum 06: German, Mixed, private-not subsidized
ARE - stratum 06: Abu Dhabi \ UK \ Private
QCH - stratum 06: Beijing_Fangshan\Town\Academic\ISCED3
BEL - stratum 06: 06: Flanders\Gen Ed only\network comm. Schls\Mixed ISCED
CHL - stratum 06: MUNICIPAL,SECONDARY,SECONDARY HUMANISTIC SCIENTIFIC,HAS 10TH GRADE
TUR - stratum 06: TR2 VOCATIONAL AND TECHNICAL SECONDARY
QAT - region 01 stratum 06: Private complex
LTU - stratum 06: Lithuanian \ City \ Gymnasium
LUX - stratum 06: 6: Government independent
KAZ - stratum 06: Aktubinskaya oblast \ Kazakh\Russian \ non-intellectual
QUK - stratum 06: England,independent,Midlands,female -- 6
THA - stratum 06: OPEC,ISCED3 only -- 06
USA - stratum 06: USA South Public, has gr10
COL - stratum 06: 06: REST OF MANIZALES \ MODAL \ REST
TAP - stratum 06: vocational senior high school (3) \ Private (1)
MYS - stratum 06: non-MOE Other Schools\Other States
QAT - region 02 stratum 06: Private complex
BRA - stratum 06: 6 AMAPÁ\NO MODAL GRADE
GEO - stratum 16: Samegrelo-Zemo Svaneti \ Public
PRT - stratum 16: Área Metropolitana do Porto,Non Modal grade -- 16
ESP - stratum 16: Castile - La Mancha, private, NA
QES - stratum 16: Castile - La Mancha, private, NA
BEL - stratum 16: 16: Flanders\Tech or Voc\network comm. Schls\ISCED2
LTU - stratum 16: Lithuanian \ village \ Gymnasium
KAZ - stratum 16: Zhambylskaya oblast \ Kazakh \ non-intellectual
QUK - stratum 16: England,maintained selective,Midlands,mixed -- 16
THA - stratum 16: SSMS,ISCED3 only -- 16
CHE - stratum 16: French, ISCED3, public
QCH - stratum 16: Beijing_other\Town\Academic\ISCED2
CHL - stratum 16: SUBSIDIZED,SECONDARY,SECONDARY HUMANISTIC SCIENTIFIC & TECHNICAL PROFESSIONAL,HAS 10TH GRADE
VNM - stratum 16: Southern Vietnam,<50% public funding,Urban
COL - stratum 16: 16: CALI \ MODAL \ REST
BRA - stratum 16: 16 ESPÍRITO SANTO\NO MODAL GRADE
PRT - stratum 26: Cávado,Non Modal grade -- 26
KAZ - stratum 26: Kostanayskaya oblast \ Russian \ non-intellectual
QUK - stratum 26: England,maintained non-selective,North,female -- 26
BEL - stratum 26: 26: French com\Regular\ Mixed ISCED\Academic only
CHE - stratum 26: Italian, ISCED3, private-subsidized
ARE - stratum 26: Sharjah \ UK \ Private
QCH - stratum 26: Guangdong\Rural\Academic\Mixed
BRA - stratum 26: 26 MINAS GERAIS\NO MODAL GRADE
PRT - stratum 36: R. A. Madeira,Non Modal grade -- 36
ESP - stratum 36: Basque Country, private, D
QES - stratum 36: Basque Country, private, D
KAZ - stratum 36: Pavlodarskaya oblast \ Kazakh\Russian \ non-intellectual
QUK - stratum 36: England,academy,North,male -- 36
TUR - stratum 36: TRC VOCATIONAL AND TECHNICAL SECONDARY
ITA - stratum 36: F.V.G. slovenian Medie
QCH - stratum 36: Jiangsu\Rural\Academic\ISCED2
BRA - stratum 36: 36 PIAUÍ\NO MODAL GRADE
PRT - stratum 46: Tâmega e Sousa,Non Modal grade -- 46
KAZ - stratum 46: Astana city \ Kazakh \ non-intellectual
QUK - stratum 46: England,academy,Greater London,mixed -- 46
ITA - stratum 46: Abruzzo Formazione Professionale
BRA - stratum 46: 46 RORAIMA\NO MODAL GRADE
QCH - stratum 46: Shanghai\City\Academic\Mixed
ITA - stratum 56: Marche Formazione Professionale
QUK - stratum 56: Wales,independent,North Wales,female -- 56
QUK - stratum 66: Northern Ireland,independent,Southern,mixed -- 66
ARE - stratum 66: Fujairah \ UK \ Private
QUK - stratum 76: Northern Ireland,maintained selective,South Eastern,male -- 76
RUS - stratum 86: Khanty-Mansijsk autonomous district - Yugra
QUK - stratum 86: Northern Ireland,maintained non-selective,Western,mixed -- 86
ALB - stratum 07: Rural \ North \ Public
MAC - stratum 07: Private-not- in-Net, Grammar-International, Chinese
HKG - stratum 07: Direct Subsidy Scheme\Modal grade
ISL - stratum 07: Nágrenni Reykjavíkur \ > 35
LBN - stratum 07: MIXED,Public,Rural -- 7
FIN - stratum 07: Northern and Eastern Finland-Urban
PER - stratum 07: Private\Rural\Modal grade
RUS - stratum 07: Kabardino-Balkarian Republic
MLT - stratum 07: State \ Category B + Category C
PRT - stratum 07: Alto Alentejo,Modal Grade -- 7
QCY - stratum 07: Vocational,Private,Urban -- 7
URY - stratum 07: Pub. Tech. Sec \ Lower secondary
SVN - stratum 07: IO - adult educational programme
ESP - stratum 07: Balearic Islands, public, NA
QES - stratum 07: Balearic Islands, public, NA
CHE - stratum 07: German, ISCED3, public
QCH - stratum 07: Beijing_Fangshan\Town\Academic\Mixed
BEL - stratum 07: 07: Flanders\Gen Ed and other type\private subsidized\ISCED2
CHL - stratum 07: MUNICIPAL,SECONDARY,SECONDARY HUMANISTIC SCIENTIFIC & TECHNICAL PROFESSIONAL,HAS 10TH GRADE
LTU - stratum 07: Lithuanian \ City \ Secondary
KAZ - stratum 07: Almatinskaya oblast \ Kazakh \ non-intellectual
QUK - stratum 07: England,independent,South,male -- 7
THA - stratum 07: DBMA,ISCED2 only -- 07
COL - stratum 07: 07: REST OF MANIZALES \ NO MODAL \ COMPLETE
VNM - stratum 07: Central Vietnam,>50% public funding,Urban
TAP - stratum 07: mixed general and vocational senior high school (4) \ Public (0)
MYS - stratum 07: Perlis non-“MOE Fully Residential Schools”
BRA - stratum 07: 7 AMAZONAS\MODAL GRADE
ISL - stratum 17: Norðurland vestra \ 1-8
DOM - stratum 17: PRIVATE,URBAN,MIXED,School with modal grade -- 17
GEO - stratum 17: Samegrelo-Zemo Svaneti \ Private
TTO - stratum 17: South Eastern\Religious
BEL - stratum 17: 17: Flanders\Tech or Voc\network comm. Schls\ISCED3
LTU - stratum 17: Lithuanian \ village \ Secondary
KAZ - stratum 17: Zhambylskaya oblast \ Russian \ non-intellectual
QUK - stratum 17: England,maintained selective,Midlands,female -- 17
CHE - stratum 17: French, ISCED3, private-subsidized
QCH - stratum 17: Beijing_other\Town\Academic\ISCED3
CHL - stratum 17: SUBSIDIZED,SECONDARY,SECONDARY HUMANISTIC SCIENTIFIC & TECHNICAL PROFESSIONAL,NO 10TH GRADE
VNM - stratum 17: Southern Vietnam,<50% public funding,Rural
COL - stratum 17: 17: CALI \ NO MODAL \ COMPLETE
ITA - stratum 17: Lombardia Professionale
DOM - stratum 27: SEMIOFICIAL,URBAN,ISCED 3,School with modal grade -- 27
PRT - stratum 27: Douro,Modal Grade -- 27
KAZ - stratum 27: Kostanayskaya oblast \ Kazakh\Russian \ non-intellectual
QUK - stratum 27: England,maintained non-selective,Midlands,male -- 27
BEL - stratum 27: 27: French com\Regular\ Mixed ISCED\Mixed
TUR - stratum 27: TR9 VOCATIONAL AND TECHNICAL SECONDARY
CHE - stratum 27: Italian, ISCED3, private-not subsidized
QCH - stratum 27: Guangdong \Rural\Vocational\ISCED3
DOM - stratum 37: 37,37,ISCED 2,School with not modal grade -- 37
PRT - stratum 37: R. A. Açores,Modal Grade -- 37
KAZ - stratum 37: North-Kazakhstan oblast \ Kazakh \ non-intellectual
QUK - stratum 37: England,academy,North,mixed -- 37
ITA - stratum 37: F.V.G. non slovenian Licei
QCH - stratum 37: Jiangsu \Rural\Academic\ISCED3
BRA - stratum 37: 37 RIO DE JANEIRO\MODAL GRADE
PRT - stratum 47: Terras de Trás-os-Montes,Modal Grade -- 47
KAZ - stratum 47: Astana city \ Russian \ non-intellectual
QUK - stratum 47: England,academy,Greater London,female -- 47
BRA - stratum 47: 47 SANTA CATARINA\MODAL GRADE
QCH - stratum 47: Shanghai \City\Vocational\ISCED3
QUK - stratum 57: Wales,independent,Powys & South West,male -- 57
QUK - stratum 67: Northern Ireland,maintained selective,Belfast,male -- 67
QUK - stratum 77: Northern Ireland,maintained selective,South Eastern,mixed -- 77
QUK - stratum 87: Northern Ireland,maintained non-selective,Western,female -- 87
Undisclosed STRATUM - United Arab Emirates
Undisclosed STRATUM - Dominican Republic
Undisclosed STRATUM - Trinidad and Tobago
Undisclosed STRATUM - Russian Federation
ALB - stratum 08: Rural \ North \ Private
MAC - stratum 08: Private-not-in-Net, Grammar-International, English
LBN - stratum 08: MIXED,Public,Urban -- 8
FIN - stratum 08: Northern and Eastern Finland-Rural
TTO - stratum 08: Port of Spain\Religious
PER - stratum 08: Private\Rural\No modal grade
ISR - stratum 08: Hebrew-Ultra-Orthodox-Female
PRT - stratum 08: Alto Alentejo,Non Modal grade -- 8
QCY - stratum 08: Mixed,Public,Rural -- 8
URY - stratum 08: Pub. Tech. Sec \ Mixed
ESP - stratum 08: Balearic Islands, private, NA
QES - stratum 08: Balearic Islands, private, NA
CHE - stratum 08: German, ISCED3, private-subsidized
ARE - stratum 08: Abu Dhabi \ Indian \ Private
QCH - stratum 08: Beijing_Fangshan\Town\Vocational\ISCED3
BEL - stratum 08: 08: Flanders\Gen Ed and other type\private subsidized \ISCED3
CHL - stratum 08: MUNICIPAL,SECONDARY,SECONDARY TECHNICAL PROFESSIONAL,HAS 10TH GRADE
DEU - stratum 08: NOR\Mecklenburg-Vorpommern (MV)
LTU - stratum 08: Lithuanian \ City \ basic
KAZ - stratum 08: Almatinskaya oblast \ Russian \ non-intellectual
QUK - stratum 08: England,independent,South,mixed -- 8
COL - stratum 08: 08: REST OF MANIZALES \ NO MODAL \ REST
VNM - stratum 08: Central Vietnam,>50% public funding,Rural
TAP - stratum 08: mixed general and vocational senior high school (4) \ Private (1)
MYS - stratum 08: Wilayah Persekutuan Putrajaya non-“MOE Fully Residential Schools”
USA - stratum 08: USA West Public, has gr10
ITA - stratum 08: Campania Professionale
BRA - stratum 08: 8 AMAZONAS\NO MODAL GRADE
ISL - stratum 18: Norðurland vestra \ 9-16
DOM - stratum 18: PRIVATE,URBAN,MIXED,School with not modal grade -- 18
GEO - stratum 18: Samtskhe-Javakheti \ Public
PRT - stratum 18: Ave,Non Modal grade -- 18
ESP - stratum 18: Catalonia, private, NA
QES - stratum 18: Catalonia, private, NA
BEL - stratum 18: 18: Flanders\Tech or Voc\network comm. Schls\Mixed ISCED
LTU - stratum 18: Lithuanian \ village \ basic
KAZ - stratum 18: Zhambylskaya oblast \ Kazakh\Russian \ non-intellectual
QUK - stratum 18: England,maintained selective,South,male -- 18
CHE - stratum 18: French, ISCED3, private-not subsidized
ARE - stratum 18: Dubai \ Indian \ Private
QCH - stratum 18: Beijing_other\Town\Academic\Mixed
CHL - stratum 18: SUBSIDIZED,SECONDARY,SECONDARY TECHNICAL PROFESSIONAL,HAS 10TH GRADE
TUR - stratum 18: TR6 VOCATIONAL AND TECHNICAL SECONDARY
COL - stratum 18: 18: CALI \ NO MODAL \ REST
BRA - stratum 18: 18 GOIÁS\NO MODAL GRADE
DOM - stratum 28: SEMIOFICIAL,URBAN,ISCED 3,School with not modal grade -- 28
PRT - stratum 28: Douro,Non Modal grade -- 28
KAZ - stratum 28: Kyzyl-Ordinskaya oblast \ Kazakh \ non-intellectual
QUK - stratum 28: England,maintained non-selective,Midlands,mixed -- 28
BEL - stratum 28: 28: French com\Regular\ Mixed ISCED\Vocational only
ARE - stratum 28: Sharjah \ Indian \ Private
QCH - stratum 28: Guangdong\Town\Academic\ISCED2
BRA - stratum 28: 28 PARÁ\NO MODAL GRADE
PRT - stratum 38: R. A. Açores,Non Modal grade -- 38
KAZ - stratum 38: North-Kazakhstan oblast \ Russian \ non-intellectual
QUK - stratum 38: England,academy,North,female -- 38
ITA - stratum 38: F.V.G. non slovenian Tecnici
ARE - stratum 38: Ajman \ Indian \ Private
QCH - stratum 38: Jiangsu\Rural\Academic\Mixed
BRA - stratum 38: 38 RIO DE JANEIRO\NO MODAL GRADE
PRT - stratum 48: Terras de Trás-os-Montes,Non Modal grade -- 48
KAZ - stratum 48: Astana city \ Kazakh\Russian \ non-intellectual
QUK - stratum 48: Wales,Maintained,North Wales,mixed -- 48
BRA - stratum 48: 48 SANTA CATARINA\NO MODAL GRADE
ARE - stratum 48: Umm Al Quwain \ Indian \ Private
QCH - stratum 48: Shanghai\Rural\Academic\ISCED2
QUK - stratum 58: Wales,independent,Powys & South West,mixed -- 58
ARE - stratum 58: Ras Al Khaimah \ Indian \ Private
QUK - stratum 68: Northern Ireland,maintained selective,Belfast,mixed -- 68
ARE - stratum 68: Fujairah \ Indian \ Private
RUS - stratum 78: The City of Sankt-Petersburg
QUK - stratum 78: Northern Ireland,maintained selective,South Eastern,female -- 78
QUK - stratum 88: Northern Ireland,maintained non-selective,North Eastern,male -- 88
ALB - stratum 09: Rural \ Center \ Public
MAC - stratum 09: Private-not-in-Net, Grammar-International, Portuguese
SVK - stratum 09: others \ Region 3_ VÝCH
DOM - stratum 09: PUBLIC,RURAL,ISCED 3,School with modal grade -- 9
LBN - stratum 09: ISCED3AG,Private,Rural -- 9
FIN - stratum 09: Swedish speaking area-Urban
ISR - stratum 09: Hebrew-Ultra-Orthodox-Male
PRT - stratum 09: Alto Minho,Modal Grade -- 9
URY - stratum 09: Pub. Tech. Sec \Upper Secondary
ESP - stratum 09: Canary Islands, public, NA
QES - stratum 09: Canary Islands, public, NA
CHE - stratum 09: German, ISCED3, private-not subsidized
ARE - stratum 09: Abu Dhabi \ Other \ Public
BEL - stratum 09: 09: Flanders\Gen Ed and other type\private subsidized \Mixed ISCED
TUR - stratum 09: TR3 VOCATIONAL AND TECHNICAL SECONDARY
DEU - stratum 09: NOR\Niedersachsen (NI)
LTU - stratum 09: Lithuanian \ City \ progymnasium
KAZ - stratum 09: Almatinskaya oblast \ Kazakh\Russian \ non-intellectual
QUK - stratum 09: England,independent,South,female -- 9
THA - stratum 09: BLDC,ISCED2 only -- 09
QCH - stratum 09: Beijing_other\City\Academic\ISCED2
CHL - stratum 09: SUBSIDIZED,PRIMARY,PRIMARY,NO 10TH GRADE
VNM - stratum 09: Central Vietnam,>50% public funding,Remote area
MYS - stratum 09: Wilayah Persekutuan Labuan non-“MOE Fully Residential Schools”
USA - stratum 09: USA Public, no grade 10
COL - stratum 09: 09: MANIZALES-ESCUELA ACTIVA \ MODAL \ REST
TAP - stratum 09: comprehensive high school (5) \ Public (0)
ISL - stratum 19: Norðurland vestra \17-35
GEO - stratum 19: Samtskhe-Javakheti \ Private
PRT - stratum 19: Baixo Alentejo,Modal Grade -- 19
BRA - stratum 19: 19 MARANHÃO\MODAL GRADE
ESP - stratum 19: Extremadura, public, NA
QES - stratum 19: Extremadura, public, NA
BEL - stratum 19: 19: Flanders\Special Ed\private subsidized
LTU - stratum 19: Lithuanian \ village \ progymnasium
KAZ - stratum 19: West-Kazakhstan oblast \ Kazakh \ non-intellectual
QUK - stratum 19: England,maintained selective,South,mixed -- 19
ARE - stratum 19: Dubai \ Other \ Public
QCH - stratum 19: Beijing_other\Town\Vocational\ISCED3
CHL - stratum 19: SUBSIDIZED,SECONDARY,SECONDARY TECHNICAL PROFESSIONAL,NO 10TH GRADE
CHE - stratum 19: Italian, ISCED2, public
COL - stratum 19: 19: REST OF THE COUNTRY \ MODAL \ COMPLETE
ITA - stratum 19: Lombardia Formazione Professionale
DOM - stratum 29: SEMIOFICIAL,URBAN,MIXED,School with modal grade -- 29
PRT - stratum 29: Lezíria do Tejo,Modal Grade -- 29
KAZ - stratum 29: Kyzyl-Ordinskaya oblast \ Russian \ non-intellectual
QUK - stratum 29: England,maintained non-selective,Midlands,female -- 29
BEL - stratum 29: 29: French com\Special Ed
ARE - stratum 29: Sharjah \ Other \ Public
QCH - stratum 29: Guangdong \Town\Academic\ISCED3
BRA - stratum 29: 29 PARAÍBA\MODAL GRADE
PRT - stratum 39: Região de Aveiro,Modal Grade -- 39
BRA - stratum 39: 39 RIO GRANDE DO NORTE\MODAL GRADE
ESP - stratum 39: Ceuta and Melilla, public, NA
QES - stratum 39: Ceuta and Melilla, public, NA
KAZ - stratum 39: North-Kazakhstan oblast \ Kazakh\Russian \ non-intellectual
QUK - stratum 39: England,academy,Midlands,male -- 39
ITA - stratum 39: F.V.G. non slovenian Professionale
ARE - stratum 39: Ajman \ Other \ Public
QCH - stratum 39: Jiangsu \Rural\Vocational\ISCED3
PRT - stratum 49: Viseu Dão Lafões,Modal Grade -- 49
KAZ - stratum 49: N\A \ Kazakh\Russian \ intellectual
QUK - stratum 49: Wales,Maintained,Powys & South West,male -- 49
ARE - stratum 49: Umm Al Quwain \ Other \ Public
QCH - stratum 49: Shanghai \Rural\Academic\ISCED3
BRA - stratum 49: 49 SÃO PAULO\MODAL GRADE
ITA - stratum 59: Sardegna Professionale
QUK - stratum 59: Wales,independent,South East Wales,male -- 59
ARE - stratum 59: Ras Al Khaimah \ Other \ Public
QUK - stratum 69: Northern Ireland,maintained selective,Belfast,female -- 69
ARE - stratum 69: Fujairah \ Other \ Public
QUK - stratum 79: Northern Ireland,maintained selective,Southern,male -- 79
RUS - stratum 89: Yamalo-Nenets autonomous district
QUK - stratum 89: Northern Ireland,maintained non-selective,North Eastern,mixed -- 89