Bangkok Patana School
🇹🇭 Bangkok · Founded 1957 · British / IB · Ages 2–18
A large, long-established, CIS-accredited British-international school — Thailand's oldest — offering a fully continuous 2–18 pathway that runs the English National Curriculum into IGCSE, then transitions to the IB Diploma at sixth form. A safe, premium, non-profit choice; the main caveats are scale and the absence of a published external inspection band.
Curricula
British, IB
Age range
2–18
Languages of instruction
English
Annual fees
SGD THB 525,000–1,005,000
Enrollment
2,302
Boarding
No (day school)
IB authorised
DP
Accreditations
CIS, FOBISIA
Tier Profile
We only tier dimensions backed by a public inspection verdict or verifiable accreditation. Other dimensions show a data flag — never a guessed score.
BrightKey's Assessment
Bangkok Patana School was founded in 1957 by Rosamund Stuetzel and is Thailand's original British international school. It is a not-for-profit foundation, governed by the Bangkok Patana School Foundation Board of unpaid volunteers (at least 51% Thai nationals, a land-ownership requirement) — there are no shareholders. This non-profit, parent-and-community governance model is verifiable and a genuine differentiator.
It is one of Bangkok's largest international schools, with ~2,300 students drawn from roughly 60–68 nationalities, the most common being British. The campus spans ages 2–18 (Foundation Stage through Year 13) on a single site, with an extensive in-house bus network and no boarding.
Academically, Patana follows a (modified) English National Curriculum through IGCSE at Year 11, then switches to the IB Diploma in Years 12–13 — it does not offer A-Levels. It is an authorised IB World School. Published 2025 outcomes: IB Diploma 99% pass rate, average score 35, 21% scoring 40+; IGCSE 66% at A*–A/7–9.
On external assurance, Patana is accredited by CIS and is an IB World School — both confirmed across official, encyclopedic, and directory sources. There is no published BSO or ISI inspection rating; Thailand has no public school inspectorate, and the school does not publish an inspection band.
Why These Ratings?
Inspection & AccreditationA — Excellent
CIS full accreditation + authorised IB World School — strong, independently verifiable institutional anchors. But no published BSO/ISI inspection band exists, so the tier reflects accreditation depth — A, not an inspected Outstanding.
Strengths & Trade-offs
Strengths
- True 2–18 continuity on one campus (Foundation Stage → IB Diploma), confirmed publicly
- CIS accreditation and authorised IB World School — dual, independently verifiable institutional anchors
- Genuine non-profit foundation governance (no shareholders; volunteer board) — verifiable, not marketing
- Strong published 2025 IB outcomes (99% pass, avg 35) and IGCSE results
- Dedicated EAL ('English as an Additional Language') staffing plus Home Languages and Inclusion programmes
- ~85% of teachers recruited from the UK or British international schools (school-reported)
Trade-offs
- No published external inspection band (no BSO/ISI report) — assurance rests on CIS/IB accreditation alone, a weaker anchor than an inspected Outstanding rating
- Very large (~2,300 students) — may feel impersonal to families wanting a small-school environment
- Premium fees (up to ~THB 1M/year) place it among Bangkok's most expensive options
- Curriculum switches from English National Curriculum/IGCSE to IB at sixth form — families specifically seeking A-Levels won't find them here
- Cambridge vs Edexcel IGCSE board not clearly stated publicly
Is It Right For You?
Best For
- ✓Families wanting a long-established, blue-chip British-into-IB pathway with strong continuity
- ✓Internationally mobile families valuing CIS + IB recognition and EAL support
- ✓Students who will thrive in a large, resource-rich, activities-heavy environment
- ✓Parents who value transparent non-profit governance
Not Ideal For
- ✕Families set on A-Levels through to age 18 (Patana exits via IB Diploma)
- ✕Those seeking a small, intimate school setting
- ✕Budget-sensitive families
- ✕Families needing boarding (day school only)
Curriculum
English National Curriculum → IGCSE (Year 11) → IB Diploma (Years 12–13). IB World School (DP authorised). No A-Levels offered. IGCSE awarding board not confirmed publicly.
Fees
THB 525,000–1,005,000 for 2025/26 (tuition band). Treat as indicative; confirm one-off/capital and registration fees directly with the school.
Admissions
Day school, ages 2–18; applications via the official site. ~19% local / 81% international student mix. Specific assessment/waitlist policies not detailed — verify on the official admissions pages.
Campus Life
Single large Bangkok campus, ~2,300 students, ~60–68 nationalities; in-house transport, catering, and a broad co-curricular programme (FOBISIA/SEASAC sports). No boarding. 'Silver certified green school' designation.
University Placement
School-reported · not independently verified
No university-destination/placement data was found on public sources; any such claims would be school-reported and unverified.
Sources
Every verifiable fact carries a public source — verify it yourself.
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