Stamford American International School vs Tanglin Trust School
🇸🇬 Singapore · Side-by-side comparison on verifiable public data.
Tanglin Trust School holds a public inspection verdict (BSO "Outstanding"), while Stamford American International School operates in a market with no public inspectorate — the former has a verifiable official quality anchor, the latter is judged on accreditation depth. Curriculum is the core differentiator: Stamford American International School offers American, IB while Tanglin Trust School offers British, IB — the choice should follow the family's target qualification system. Both are day schools with fees in the same market band — see the table below for the figures, and verify against each school's own published fees.
Key Facts
| Stamford American International School | Tanglin Trust School | |
|---|---|---|
| Curriculum | American / IB | British / IB |
| Ages | 2 months–18 | 3–18 |
| Languages of instruction | English | English |
| Annual fees | SGD 30,820–56,110 | SGD 34,770–55,734 |
| Enrollment | — | 2,824 |
| Boarding | Day only | Day only |
| Inspection rating | — | BSO: Outstanding |
| Accreditations | WASC, CIS, EduTrust | CIS, COBIS, HMC, IAPS, FOBISIA, Cambridge International, Edexcel, BSO |
Strengths
- ✓Authorised for all three IB programmes (PYP, MYP, DP) as a full IB continuum school
- ✓Rare dual credential offering: IB DP plus AP, US High School Diploma and BTEC
- ✓Bilingual emphasis: school reports ~30% of students earn bilingual IB diplomas
- ✓Dual-accredited internationally (WASC + CIS) plus Singapore EduTrust certification
- ✓Broad age span (2 months–18 years) with a dedicated Early Learning Village campus
- ✓'Outstanding' rating in the 2025 BSO inspection — the only BSO-inspected school in Singapore, a verifiable third-party quality signal
- ✓Strong published 2025 results: provisional IB Diploma average 39.3, 100% IB pass rate, 63% A*/A at A-Level
- ✓Rare dual-pathway Sixth Form letting students choose A-Levels or the IB Diploma at 16
- ✓Century-long track record (founded 1925) and a large, diverse community (~2,824 students)
- ✓Broad accreditation and membership footprint (CIS, COBIS, HMC, IAPS, FOBISIA, Cambridge, Edexcel)
Trade-offs
- !For-profit ownership under the Cognita group, which may prioritize commercial outcomes alongside educational ones
- !High fees: SGD ~30,820–56,110 per year (2026/27, third-party source)
- !Large school across two campuses may feel less personal than smaller schools
- !No published IB Diploma average score located in public sources
- !No independent published inspection report located
- !High fees: SGD 34,770–55,734 for 2025/26, plus a non-refundable SGD 1,000 application fee, SGD 4,500 enrolment fee, and SGD 4,500 capital levy
- !No EAL support — children not already fluent in English cannot be accommodated
- !Day school only; no boarding option
- !Exam fees (GCSE/IGCSE/A-Level/IB), personal-device costs, transport, meals and trips are extra
- !Established and oversubscribed — competitive admissions and waitlists are commonly reported (not quantified in public sources)
Best Fit For
- • Families wanting an American-style education with the flexibility to pursue IB DP, AP or both
- • Internationally mobile families seeking WASC/CIS-recognized credentials
- • Families with very young children needing a continuous pathway from infancy through Grade 12
- • Students interested in bilingual/dual-language IB outcomes
- • Fluent-English-speaking families wanting a British curriculum with an IB option at Sixth Form
- • Academically ambitious students aiming for strong A-Level or IB Diploma outcomes
- • Families seeking a long-established, large, multi-national community
- • Families who can comfortably absorb premium Singapore international-school fees
University Placement
School-reported · not independently verified
School-reported, unverified: SAIS publicizes that roughly 30% of students earn bilingual IB diplomas. No verified IB Diploma average score or university-destination data was located in public sources.
School-reported, unverified: Tanglin publishes 2025 examination outcomes (provisional IB Diploma average 39.3, 100% IB pass rate, 63% A*/A at A-Level) but no specific university-destination list was found in public sources.
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Frequently Asked Questions
Should I choose Stamford American International School or Tanglin Trust School?
Stamford American International School is best for: Families wanting an American-style education with the flexibility to pursue IB DP, AP or both. Tanglin Trust School is best for: Fluent-English-speaking families wanting a British curriculum with an IB option at Sixth Form. The right choice depends on target curriculum, budget, and family priorities — the two are not linearly comparable.
How do fees compare between Stamford American International School and Tanglin Trust School?
Stamford American International School: SGD 30,820–56,110. Tanglin Trust School: SGD 34,770–55,734. Verify against each school's own published fees; some figures are sourced from third-party aggregators.
What curricula do Stamford American International School and Tanglin Trust School offer?
Stamford American International School: American, IB. Tanglin Trust School: British, IB. Tanglin Trust School inspection: BSO "Outstanding".
Do Stamford American International School or Tanglin Trust School offer boarding?
Stamford American International School: day school only. Tanglin Trust School: 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 →