Harrow International School Bangkok vs Shrewsbury International School Bangkok
🇹🇭 Bangkok · Side-by-side comparison on verifiable public data.
Harrow International School Bangkok holds a public inspection verdict (BSO "Outstanding"), while Shrewsbury International School Bangkok operates in a market with no public inspectorate — so the former has a verifiable official quality anchor and the latter is judged on accreditation depth. Both run the same curriculum (British), so the differences come down to pathway detail, campus culture, and specific language/boarding arrangements rather than the curriculum framework itself. One practical difference: Harrow International School Bangkok offers boarding while the other is day-only — decisive for families who need a residential option. Verify current fees against each school's own figures (see the table below).
Key Facts
| Harrow International School Bangkok | Shrewsbury International School Bangkok | |
|---|---|---|
| Curriculum | British | British |
| Ages | 18 months–18 years | 2–18 |
| Languages of instruction | English | English |
| Annual fees | THB 136,800–1,037,100 | THB 691,800–1,208,400 |
| Enrollment | 1,713 | 1,785 |
| Boarding | Yes | Day only |
| Inspection rating | BSO: Outstanding | — |
| Accreditations | CIS, FOBISIA, HMC, ISAT, BSO | CIS, FOBISIA, HMC, ONESQA |
Strengths
- ✓Published BSO 'Outstanding' (Grade 1) rating, March 2023 — Ofsted-quality-assured, verbatim band, the rare Outstanding-equivalent that earns top inspection tier
- ✓The original Harrow international school (1998) with the strongest brand heritage of any Harrow Asia campus
- ✓Genuine, well-developed boarding provision (boarding village, multiple houses) — uncommon in Bangkok
- ✓Strong inspection-verified academics: outstanding English/maths/science attainment, A*–A-heavy A-level and IGCSE outcomes (2023)
- ✓Documented EAL support: the BSO report records 1,590 EAL pupils receiving provision and making strong progress
- ✓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)
Trade-offs
- !Premium fees: tuition runs up to THB ~1.04M/year, with boarding adding THB 445,600–557,200 — among the most expensive options in Bangkok
- !For-profit ownership: operated commercially by AISL Group under franchise license, not an independent non-profit foundation
- !Not IB: families wanting the IB Diploma must look elsewhere — the offering is strictly British IGCSE/A-Level
- !Latest published BSO inspection is 2023; no newer independently published rating confirmed
- !Academic results are inspection/school-reported, not annually re-verified by an external body
- !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
Best Fit For
- • Families seeking a genuine British boarding experience in Asia (day option also available)
- • Families prioritising a verified 'Outstanding' inspection record and A-Level/Oxbridge-style university pathways
- • Internationally mobile or regional families wanting weekly or full boarding
- • Those who value the Harrow brand heritage and traditional House System
- • 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
University Placement
School-reported · not independently verified
School-reported, unverified for current year. The 2023 BSO report stated A-Level results were 'outstanding' with almost all pupils achieving A*–A grades and 65% of IGCSE entries at A*–A, with pupils 'securing places in prestigious universities worldwide.' No independently verified, current-year university-destination list is public.
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.
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Frequently Asked Questions
Should I choose Harrow International School Bangkok or Shrewsbury International School Bangkok?
Harrow International School Bangkok is best for: Families seeking a genuine British boarding experience in Asia (day option also available). Shrewsbury International School Bangkok is best for: Families wanting a heritage British curriculum with a UK school lineage. The right choice depends on target curriculum, budget, and family priorities — the two are not linearly comparable.
How do fees compare between Harrow International School Bangkok and Shrewsbury International School Bangkok?
Harrow International School Bangkok: THB 136,800–1,037,100. Shrewsbury International School Bangkok: THB 691,800–1,208,400. Verify against each school's own published fees; some figures are sourced from third-party aggregators.
What curricula do Harrow International School Bangkok and Shrewsbury International School Bangkok offer?
Harrow International School Bangkok: British. Shrewsbury International School Bangkok: British. Harrow International School Bangkok inspection: BSO "Outstanding".
Do Harrow International School Bangkok or Shrewsbury International School Bangkok offer boarding?
Harrow International School Bangkok: offers boarding. Shrewsbury International School Bangkok: day school only.
This comparison is BrightKey's independent assessment using verifiable public data only. University-placement figures are school-reported and not independently verified. BrightKey takes no payments from schools. Our method →