The American School in Japan vs Tokyo International School
🇯🇵 Tokyo · Side-by-side comparison on verifiable public data.
Neither The American School in Japan nor Tokyo International School sits in a market with a public inspectorate, so both are assessed on verifiable accreditation, curriculum authorisation, and published data rather than an official quality rating. Curriculum is the core differentiator: The American School in Japan offers American while Tokyo International School offers 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
| The American School in Japan | Tokyo International School | |
|---|---|---|
| Curriculum | American | IB |
| Ages | 3–18 | 4–17 |
| Languages of instruction | English | English |
| Annual fees | JPY 2,987,000–3,533,000 | JPY 3,300,000–3,600,000 |
| Enrollment | 1,734 | 470 |
| Boarding | Day only | Day only |
| Accreditations | WASC | CIS, NEASC |
Strengths
- ✓Long-established institution (founded 1902), among the oldest international schools in Asia
- ✓WASC-accredited with a clearly American, AP-based college-preparatory curriculum
- ✓Substantial scale: ~1,734 students and ~184 teachers across two purpose-run Tokyo campuses
- ✓Genuinely international community spanning 59 nationalities
- ✓Full continuous pathway from Nursery (age 3) through Grade 12
- ✓Dual international accreditation (CIS since 2004 + NEASC) — strong governance and quality assurance
- ✓Authorized IB continuum across primary and middle years (PYP since 2005, MYP since 2007)
- ✓Genuinely small scale (~470 students, max class size 22) supporting individualized attention
- ✓Well-documented EAL programme — strong fit for families whose children are still developing English
- ✓Highly international community (70+ nationalities) and a tech-forward identity (Apple Distinguished School)
Trade-offs
- !Does NOT publish AP results or university-placement data — outcomes cannot be independently verified
- !Explicitly offers no scholarships or financial aid for new applicants, with high all-in costs
- !English-fluency requirement for at least one parent narrows the applicant pool
- !Day school only — no boarding
- !Public detail on EAL/English-language support could not be confirmed
- !DP is only at candidate stage, not authorized — TIS cannot yet be relied upon as a full IB Diploma school
- !The upper school is brand new (Grade 11 only since 2025) — no published graduation/placement track record exists
- !No public academic results — no IB scores or university-destination data
- !Official materials contain internal inconsistencies on grade range (K-8 vs K-11 vs K-12)
- !Premium fees with a recent sharp increase, against an as-yet-unproven senior school
Best Fit For
- • Expatriate and internationally-mobile families in Tokyo seeking a U.S. college-prep track
- • Families targeting American/AP university admission pathways
- • Households wanting a single continuous K–12 (age 3–18) institution
- • Families who can absorb premium fees without needing financial aid
- • Families with primary or middle-school-age children seeking an established, accredited IB PYP/MYP programme
- • Internationally mobile or non-native-English families needing strong EAL support
- • Families wanting a small, tech-integrated school in central Tokyo
University Placement
School-reported · not independently verified
Not public. No university-placement, college-matriculation, or AP results data is published on ASIJ's public website (consistent with the norm among Tokyo international schools).
Not public. As the upper school (G11/G12) and DP are newly established, no graduating-cohort outcomes exist yet.
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Frequently Asked Questions
Should I choose The American School in Japan or Tokyo International School?
The American School in Japan is best for: Expatriate and internationally-mobile families in Tokyo seeking a U.S. college-prep track. Tokyo International School is best for: Families with primary or middle-school-age children seeking an established, accredited IB PYP/MYP programme. The right choice depends on target curriculum, budget, and family priorities — the two are not linearly comparable.
How do fees compare between The American School in Japan and Tokyo International School?
The American School in Japan: JPY 2,987,000–3,533,000. Tokyo International School: JPY 3,300,000–3,600,000. Verify against each school's own published fees; some figures are sourced from third-party aggregators.
What curricula do The American School in Japan and Tokyo International School offer?
The American School in Japan: American. Tokyo International School: IB.
Do The American School in Japan or Tokyo International School offer boarding?
The American School in Japan: day school only. Tokyo International 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 →