Overseas Family 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 Overseas Family School operates in a market with no public inspectorate — the former has a verifiable official quality anchor, the latter is judged on accreditation depth. Both run the same curriculum (IB, British), so the differences come down to pathway detail, campus culture, and specific language/boarding arrangements rather than the curriculum framework itself. 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
| Overseas Family School | Tanglin Trust School | |
|---|---|---|
| Curriculum | IB / British | British / IB |
| Ages | 2–18 | 3–18 |
| Languages of instruction | English | English |
| Annual fees | SGD 28,400–44,800 | SGD 34,770–55,734 |
| Enrollment | 3,000 | 2,824 |
| Boarding | Day only | Day only |
| Inspection rating | — | BSO: Outstanding |
| Accreditations | WASC, Cambridge International, IB, EduTrust | CIS, COBIS, HMC, IAPS, FOBISIA, Cambridge International, Edexcel, BSO |
Strengths
- ✓Strong, structured English-language support via the Study Preparation Program (SPP), offered at no extra fee
- ✓Mother Tongue Program offered at no additional cost, supporting first-language retention
- ✓Open-entry admissions: no entrance exams, no English-proficiency requirement, year-round enrollment with pro-rated fees
- ✓Comparatively accessible fees for Singapore: SGD 28,400–44,800/year (2025/26), below many premium peers
- ✓Large, established institution (founded 1991, ~3,000 students, ~70 nationalities) on a single 110,000 sqm 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
- !Very large student body (~3,000) on one campus may mean less individual attention
- !Open-entry, no-exam admissions with broad EAL intake produces a wide ability and language range within classes
- !Single Pasir Ris campus — no choice of location and a longer commute for families in western/central Singapore
- !IB PYP is not offered (IPC used at primary), so families wanting the full IB continuum from kindergarten will not find it here
- !No published IB Diploma average or IGCSE result figures were publicly retrievable
- !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
- • Internationally mobile families arriving mid-year or needing immediate placement (year-round, pro-rated enrollment)
- • Students who need substantial English-language support (SPP) or who are new to English-medium education
- • Families wanting mother-tongue language retention alongside an English curriculum
- • Cost-conscious expatriate families seeking an established IB/IGCSE school at relatively accessible fees
- • 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: OFS references 'Outstanding IB Results 2025!' on its website but publishes no numerical IB Diploma average or university-placement data. No A-Level or IGCSE result figures were publicly retrievable.
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.
More Comparisons
Frequently Asked Questions
Should I choose Overseas Family School or Tanglin Trust School?
Overseas Family School is best for: Internationally mobile families arriving mid-year or needing immediate placement (year-round, pro-rated enrollment). 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 Overseas Family School and Tanglin Trust School?
Overseas Family School: SGD 28,400–44,800. 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 Overseas Family School and Tanglin Trust School offer?
Overseas Family School: IB, British. Tanglin Trust School: British, IB. Tanglin Trust School inspection: BSO "Outstanding".
Do Overseas Family School or Tanglin Trust School offer boarding?
Overseas Family 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 →