Education in Thailand 3,176 indicators covering education for Thailand. IndicatorLatest Year10-yr change Rank Repeaters in Grade 3 of primary education, male 1,321 2025 down 76.9% 79th Enrolment in lower secondary education, male 1.15 million 2025 down 34.6% 33rd Government spending on education as a share of GDP 2.5% 2023 down 38.9% 166th Gross enrolment ratio, upper secondary, both sexes 110.8% 2019 up 67.2% 29th Repeaters in Grade 4 of primary education, female 601 2025 down 72.7% 92nd Repeaters in Grade 4 of primary education, male 1,351 2025 down 82.4% 81st Outbound mobility ratio to South and West Asia, male (UIS estimate) 0.0% 2023 up 29.9% 61st Out-of-school rate for adolescents of lower secondary school age 3.0% 2025 down 21.1% 135th Out-of-school rate for adolescents of lower secondary school age 2.3% 2025 down 34.3% 140th Out-of-school rate for adolescents of lower secondary school age 3.6% 2025 down 12.2% 121st Out-of-school rate for youth of upper secondary school age, both 8.0% 2025 down 47.4% 142nd Out-of-school rate for youth of upper secondary school age, female 5.3% 2025 down 59.2% 158th Out-of-school rate for youth of upper secondary school age, male 10.6% 2025 down 38.4% 136th Out-of-school rate for children of primary school age, both sexes 1.6% 2025 down 11.1% 138th Out-of-school rate for children of primary school age, female 1.6% 2025 down 27.3% 131st Out-of-school rate for children of primary school age, male (modelled) 1.7% 2025 up 21.4% 136th Out-of-school rate for youth of upper secondary school age, adjusted 0.5 modelled data 2025 down 33.8% 185th Enrolment in upper secondary education, both sexes 2.00 million 2025 down 42.3% 24th Proportion of 15-24 year-olds enrolled in vocational education 0.7091 GPIA 2025 up 18.4% 92nd Government expenditure on education as a percentage of GDP 2.5% 2023 down 38.9% 166th Primary education, pupils 48.5% 2018 up 0.3% 107th Inequality in education 0.1595 2023 down 3.8% 77th Repetition rate in Grade 4 of primary education, both sexes 1.0% 2017 — 103rd Gross enrolment ratio, upper secondary, female 112.1% 2019 up 56.1% 26th Gross enrolment ratio, upper secondary, male 109.6% 2019 up 80.1% 33rd Gross enrolment ratio, upper secondary, gender parity index 1.02 GPI 2019 down 13.3% 93rd Enrolment in upper secondary education, female 1.04 million 2025 down 38.6% 23rd Out-of-school rate for adolescents of lower secondary school age 0.6389 modelled data 2025 down 25.2% 172nd Number of years of free pre-primary education guaranteed in legal 3 2025 — 10th Number of years of free primary and secondary education guaranteed in 12 2025 unchanged 26th End of the academic school year 2,024 tertiary education 2024 up 0.5% 5th Outbound mobility ratio to the Pacific, male (UIS estimate) 0.3% 2023 up 115.2% 37th Enrolment in upper secondary education, male 960,056 2025 down 45.9% 26th Tertiary education, academic staff 56.3% 2024 down 7.3% 17th Start month of the academic school year 5 tertiary education 2024 down 16.7% 157th End month of the academic school year 3 tertiary education 2024 unchanged 205th Repeaters in Grade 1 of lower secondary general education, both sexes 3,465 2025 down 87.4% 81st Out-of-school rate for children of primary school age, adjusted 0.9412 modelled data 2025 down 31.0% 108th Repetition rate in Grade 1 of primary education, female 2.1% 2017 down 72.5% 87th Repetition rate in Grade 1 of primary education, male 3.7% 2017 down 60.0% 78th Outbound mobility ratio to Central and Eastern Europe, male (UIS) 0.0% 2023 up 278.7% 155th Gross enrolment ratio, lower secondary, both sexes 99.6% 2025 down 19.6% 82nd Outbound mobility ratio to Latin America, male (UIS estimate) 0.0% 2023 down 100.0% 171st Persistence to grade 5, female 99.9% 2017 — 10th Persistence to grade 5, male 97.6% 2017 — 36th Gross enrolment ratio, primary and lower secondary, both sexes 100.3% 2025 down 9.2% 87th Gross enrolment ratio, lower secondary, female 100.4% 2025 down 15.8% 76th Gross enrolment ratio, lower secondary, male 98.9% 2025 down 22.9% 90th Gross enrolment ratio, lower secondary, adjusted gender parity index 1.02 GPIA 2025 up 9.1% 66th Outbound mobility ratio to North America and Western Europe, male 0.7% 2023 up 0.6% 166th Outbound mobility ratio to Latin America and the Caribbean, male (UIS) 0.0% 2023 down 42.5% 175th Outbound mobility ratio, all regions, male (UIS estimate) 1.6% 2023 up 28.4% 175th School enrollment, secondary 77.3% 2015 up 11.0% 89th Adult illiterate population, 15+ years, female 2.19 million 2018 up 125.3% 18th School life expectancy, primary and lower secondary, both sexes 9.02 years 2025 down 7.4% 90th Gross enrolment ratio, primary and lower secondary, female 100.1% 2025 down 6.8% 87th Gross enrolment ratio, primary and lower secondary, adjusted gender 0.9952 GPIA 2025 up 5.1% 110th Gross enrolment ratio, primary and lower secondary, male 100.6% 2025 down 11.3% 87th Preprimary education, duration 5 years 2025 unchanged 61st Repeaters in Grade 5 of primary education, female 697 2025 down 70.3% 82nd 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