Shrewsbury International School Bangkok
🇹🇭 Bangkok · Founded 2003 · British · Ages 2–18
A long-established, premium British international school in Bangkok with a genuine institutional link to Shrewsbury School (UK) and CIS accreditation. Strong school-reported A-Level/IGCSE outcomes and a continuous 2–18 pathway across two campuses, but no independent published inspectorate (BSO/ISI) report.
Curricula
British
Age range
2–18
Languages of instruction
English
Annual fees
SGD THB 691,800–1,208,400
Enrollment
1,785
Boarding
No (day school)
Accreditations
CIS, FOBISIA, HMC, ONESQA
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
Shrewsbury International School Bangkok was founded in 2003 and is affiliated with Shrewsbury School in the UK, one of England's historic public schools. It delivers the English National Curriculum from Early Years through to A-Level, serving students aged roughly 2 to 18. The school is accredited by CIS and Thailand's national quality body ONESQA, and is a member of FOBISIA and HMC.
The school operates two campuses. The original Riverside Campus (Charoen Krung Road, Bang Kholaem) sits on the Chao Phraya River and serves the older/full age range. The newer City Campus (Rim Klong Samsen Road, Huai Khwang), opened in 2018, serves the youngest learners and primary years. Together the campuses enrol around 1,785 students (Wikipedia cites '2,000+'), drawn from roughly 40 nationalities, with Thai and British families forming the largest groups.
Academically the school is British through and through: IGCSE at Key Stage 4 and A-Levels in the sixth form. School-reported 2025 outcomes include 65% A*/A at A-Level and 74% A*/A at IGCSE, with publicised university destinations spanning UK Russell Group and US institutions. These figures are school-reported and unverified by an external inspectorate.
The principal data limitation is the absence of a published BSO or ISI inspection report. Thailand has no public school inspectorate, so external quality assurance rests on CIS accreditation and ONESQA.
Why These Ratings?
Inspection & AccreditationA — Excellent
CIS-accredited with FOBISIA/HMC membership — solid accreditation depth. No published BSO/ISI inspection band exists, so the tier is capped at A, not S.
Strengths & Trade-offs
Strengths
- Authentic affiliation with Shrewsbury School UK (heritage British public-school brand)
- Full continuous British pathway, ages 2–18 (EYFS → A-Level)
- CIS-accredited plus FOBISIA/HMC membership (credible international-school network)
- Strong school-reported A-Level/IGCSE results and broad university placement track record
- Two purpose-built campuses giving age-appropriate environments (Riverside + City)
- Wide additional-language offer (Thai, French, Japanese, Mandarin, Spanish)
Trade-offs
- No published BSO/ISI inspection report — no independent verbatim quality band
- Academic results and placements are school-reported, not externally audited
- Premium fees (up to ~THB 1.2M/yr) place it at the top end of the Bangkok market
- Official fees page not publicly retrievable at the standard URL — fee figures sourced from a third party, should be confirmed
- Large enrolment (~1,800–2,000) may not suit families seeking a small-school feel
Is It Right For You?
Best For
- ✓Families wanting a heritage British curriculum with a UK school lineage
- ✓Students targeting UK (Russell Group) or competitive US university pathways
- ✓Expat and Thai families seeking a long-established, large, well-resourced school
- ✓Younger children starting at the City Campus and progressing through to Riverside sixth form
Not Ideal For
- ✕Families specifically requiring the IB Diploma (school is A-Level, not IB-authorised)
- ✕Those wanting a small, intimate school setting
- ✕Budget-conscious families (top-tier Bangkok fee band)
- ✕Families who require an independent public inspectorate rating before enrolling
Curriculum
English National Curriculum throughout — EYFS, five Key Stages, IGCSE (Key Stage 4) and A-Levels (sixth form). Cambridge/IGCSE and A-Level delivery confirmed. No IB programme.
Fees
Approximately THB 691,800–1,208,400 per year for 2025/26 (range across year groups), per international-schools-database.com. The official fees page returned a 404 at the expected URL; figures should be confirmed directly with the school's admissions office.
Admissions
British international school admitting from age 2 (City Campus). English is the language of instruction with EAL support for non-native speakers. Around 40 nationalities; Thai and British families predominate. Confirm current fees, assessment and campus allocation directly.
Campus Life
Two campuses define the experience: Riverside (Bang Kholaem) historically serving the older year groups through sixth form, and City Campus (Huai Khwang, opened 2018) for the youngest learners and primary years. Active in BISAC athletics and FOBISIA events.
University Placement
School-reported · not independently verified
School-reported, unverified: 2025 results (65% A*/A at A-Level, 74% A*/A at IGCSE) and destinations including UK Russell Group and US universities. No third-party-audited placement figures are public.
Sources
Every verifiable fact carries a public source — verify it yourself.
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