Thailand K-12 Education & Tutoring Market Intelligence
Thai K-12 serves ~13.5M students (~12M public, ~1M private, ~50K international). Tutoring sector ~THB 25-30B is fragmented across test-prep chains (Brain, OnDemand, GMP) and EdTech (Aksorn, Be Smart, OneClass). Demographic cliff is the binding variable.
Key takeaways
- 1
Thai K-12 system enrols ~ students FY2024 across ~ public (OBEC, BMA, ONPEC, others), ~ private mainstream/bilingual (OPEC), and ~ international (ISAT) β a structurally large but demographically shrinking base.
- 2
Out-of-school tutoring sector is ~ FY2024; highly fragmented around test-prep for O-Net (Grades 6, 9, 12), TGAT/TPAT/A-Level (university admissions under TCAS), and elite admissions (CU-AAT, CU-TEP, IELTS).
- 3
Operator concentration is brand-thin. Aksorn Education dominates publishing and licensed content; OnDemand leads premium in-person test prep; Be Smart, OneClass anchor EdTech subscriptions; independent tutors and small franchises still hold ~ share.
- 4
International school cluster (~210 ISAT schools, ~ students, fees from to per year) is a separate sub-market β connects to our Bangkok International School Cluster report.
- 5
Our read: demographic cliff (Thai live births collapsed from ~ in 2014 to ~ in 2024) is the binding variable. Tutoring intensity-per-student is rising but cannot offset a K-12 cohort decline by 2035. Survivors consolidate around premium test-prep, bilingual/international, and EdTech mass-market.
Executive summary
Thailand's K-12 education system enrolled approximately students in FY2024 across roughly public schools and 3,800 private schools (OBEC, MoE statistics yearbook, OPEC). Public provision is structurally dominant at ~ of total enrolment, with OBEC operating the largest network alongside Bangkok Metropolitan Administration (BMA), the Office of the Non-Formal and Private Education Commission (ONPEC), and a small set of demonstration schools attached to universities. Private mainstream and bilingual schools hold ~ share (~ students) under OPEC oversight. International schools (~210 ISAT members, ~ students) operate British, American, IB, and bilingual curricula at fees ranging from to over per year.[, , , ]
The out-of-school tutoring sector is approximately in annual revenue, fragmented across four operator types: premium in-person test-prep chains (OnDemand, Brain network, GMP), mass-market EdTech platforms (Be Smart, OneClass, Aksorn On-Learn), school-aligned publishers transitioning to digital (Aksorn Education leads), and a long tail of independent tutors and small franchises holding ~ of total spend. Demand concentrates around the M.4 to M.6 (Grades 10-12) university-admissions runway: O-Net, TGAT (general aptitude), TPAT (professional aptitude), A-Level subject tests, CU-AAT (Chulalongkorn aptitude), CU-TEP (Chulalongkorn English), and IELTS for international programmes. Mahidol Wittayanusorn (MWIT) and similar magnet schools anchor the science Olympiad and STEM-feeder pipeline.[, , , , , ]
Policy and equity context: Equity Education Fund (EEF) provides conditional cash transfers and scholarships for ~ low-income K-12 students and tracks dropout risk; OBEC and MoE drive curriculum reform and PISA performance improvement; ONPEC handles non-formal learners. The binding structural variable is demographic: Thai annual live births fell from ~ in 2014 to ~ in 2024, implying a K-12 cohort decline by 2035 (NSO). Operators that survive this consolidate around premium test-prep, bilingual/international tracks, and EdTech mass-market subscription economics rather than tutoring-room headcount.[, , ]
Thai K-12 total enrolment (millions, 2020-2024)
2020
Enrolment (M)
13.9
Context
Pre-cliff baseline; school closures during COVID
2021
Enrolment (M)
13.7
Context
Cohort begins to decline; COVID learning loss
2022
Enrolment (M)
13.6
Context
Return-to-school stabilises; tutoring rebounds
2023
Enrolment (M)
13.5
Context
Birth-rate effect on Grade 1 intake visible
2024
Enrolment (M)
13.4
Context
Steady decline; private bilingual share rising
| Year | Enrolment (M) | Context |
|---|---|---|
| 2020 | 13.9 | Pre-cliff baseline; school closures during COVID |
| 2021 | 13.7 | Cohort begins to decline; COVID learning loss |
| 2022 | 13.6 | Return-to-school stabilises; tutoring rebounds |
| 2023 | 13.5 | Birth-rate effect on Grade 1 intake visible |
| 2024 | 13.4 | Steady decline; private bilingual share rising |
Provision split (% of total K-12 enrolment, FY2024)
Public (OBEC, BMA, ONPEC, others)
Share %
88%
Notes
~12M students across ~30K schools; OBEC is the largest single network
Private mainstream, bilingual
Share %
8%
Notes
~1M students; OPEC oversight; mainstream Thai-language plus growing bilingual/English programme
Magnet, demonstration, alternative
Share %
3.6%
Notes
MWIT, university demonstration schools, alternative (Waldorf, Montessori), Islamic, Catholic
International schools (ISAT)
Share %
0.4%
Notes
~50K students across ~210 schools; British, American, IB, bilingual curricula
| Provision | Share % | Notes |
|---|---|---|
| Public (OBEC, BMA, ONPEC, others) | 88% | ~12M students across ~30K schools; OBEC is the largest single network |
| Private mainstream, bilingual | 8% | ~1M students; OPEC oversight; mainstream Thai-language plus growing bilingual/English programme |
| Magnet, demonstration, alternative | 3.6% | MWIT, university demonstration schools, alternative (Waldorf, Montessori), Islamic, Catholic |
| International schools (ISAT) | 0.4% | ~50K students across ~210 schools; British, American, IB, bilingual curricula |
Analyst framing
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Key figures
Selected anchors from the report evidence pack.
Thailand OBEC public school enrolment (2020-2024)
Office of the Basic Education Commission, Ministry of Education statistical yearbook, National Statistical Office
Thailand tutoring sector revenue (2020-2024)
Kasikorn Research Center, Thailand Development Research Institute, industry estimates, operator filings
Thailand O-Net Mathayom 6 average score (2024)
National Institute of Educational Testing Service, Ministry of Education, OBEC academic results report
Thailand top tutoring chain share (2024)
Kasikorn Research Center, industry estimates, operator filings and disclosures
Thailand annual live births (2014-2024) β demographic cliff
Ministry of Interior civil registration, National Statistical Office, NESDC demographic projections
Thailand international school enrolment (2024)
International Schools Association of Thailand, Bangkok Post education coverage, operator disclosures
Thailand Equitable Education Fund (EEF) disbursement (FY2024)
Equitable Education Fund, Ministry of Education, Bangkok Post education coverage
Thailand TGAT/TPAT median score (2024 cycle)
National Institute of Educational Testing Service, Council of University Presidents of Thailand, Ministry of Higher Education