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The British School in Tokyo (BST) — the IB Is One of Three Senior Pathways, Not the Whole Story

Tokyo, Japan

A two-campus school — Azabudai Hills for ages 3–11, Showa for 12–18 — and one of the largest British-curriculum schools in Japan.

Researched by William Prep from published sources. Not yet verified by the school. — Last reviewed by William Prep: 2026-09-24

BST is one of the largest British-curriculum international schools in Japan, reportedly enrolling over 1,300 students from 65-plus nationalities across two campuses: Azabudai Hills (ages 3–11) and Showa (ages 12–18, on the Showa Women's University site).

At a Glance

Campuses	Azabudai Hills (3–11) / Showa (12–18) (not independently confirmed)as of: 2026-09-24
Curriculum	National Curriculum for England → IGCSE → IB/WASC/BTEC choice (not independently confirmed)as of: 2026-09-24
Enrolment	1,300+ (65+ nationalities) (not independently confirmed)as of: 2026-09-24
Est. First-Year Cost (Y10–13)	≈¥4.39M2026-27 · as of: 2026-09-24

Years 12–13 Are Not Just "the IB Years"

BST runs the National Curriculum for England through Key Stage 4 (IGCSE in Years 10–11), then reportedly offers a choice among the IB Diploma, WASC, and BTEC in Years 12–13. "British international school" doesn't automatically mean "IB school" here — which senior pathway a given student ends up on varies.

William Prep’s Analysis

That three-pathway structure has real implications for Japanese university eligibility. A student who completes the full IB Diploma qualifies via the individual-credential route. Which route applies to a student on the WASC or BTEC track instead depends partly on the school's own accreditation status — something to check separately rather than assume alongside the IB pathway.

Fees: A Real First-Year Total of About ¥4.39M (Year 10–13)

BST's own 2026-27 fee schedule lists three non-refundable one-time charges: a ¥40,000 application fee, a ¥500,000 enrollment fee, and a ¥680,000 educational resources fee. On top of that, an annual ¥100,000 capital development fee applies alongside grade-banded tuition (¥3,070,000 for Year 10–13). Added together, a genuine first-year total comes to roughly ¥4,390,000. The school explicitly states it does not offer sibling discounts.

University Entrance Eligibility in Japan

School-accreditation route	No not publicly confirmedWhether BST itself holds one of the six MEXT-recognised accreditations was not confirmed this session. Search results mention WASC as one of three senior-years pathway options for students, which is not the same as the school itself holding WASC institutional accreditation.
Student-qualification route (IB, etc.)	Yes

Whether BST itself holds a MEXT-recognised accreditation was not confirmed this session. A student completing the full IB Diploma qualifies via the individual-credential route regardless. Eligibility for students who choose the WASC or BTEC senior pathway instead of the IB was not researched this session.

Fees & Estimated First-Year Cost

academic year: 2026-27

Application Fee	¥40,000
Enrollment Fee	¥500,000
Educational Resources Fee	¥680,000
Capital Development Fee	¥100,000
Tuition (Nursery–Year 6)Nursery-Y6	¥2,960,000
Tuition (Year 7–9)Y7-Y9	¥2,980,000
Tuition (Year 10–13)Y10-Y13	¥3,070,000
Estimated First-Year Total	¥4,390,000

Includes: application, enrolment, other, capital, tuition — Excludes: Excludes lunch, uniforms, non-curricular trips, and instrumental lessons. Tuition varies by year group — this uses Year 10–13 as the base.

What Makes This School Distinctive

Three senior-years pathways (IB / WASC / BTEC)

Year 12–13 students choose among the IB Diploma, WASC, and BTEC

Many British-curriculum schools funnel every student into the IB after IGCSE; BST reportedly keeps three distinct senior pathways instead.

Planning around an assumption that "British-curriculum school" means "IB school" risks mismatching the pathway a given student actually ends up on.

Admissions

Cycle

未確認 not publicly confirmed

What Japanese Families Should Know

Who Might Find This School a Good Fit

Might suit — Families already familiar with the English Year-group system, or targeting UK university admission

Might not suit — Families assuming the IB Diploma is guaranteed simply by enrolling

William Prep’s Analysis

What stood out in researching BST is how much the widely-used shorthand "British-curriculum school = IB school" undersells the actual structure here. A three-way senior pathway split is the kind of detail that should change how a family frames the decision to apply in the first place, not just a footnote.

Questions to Ask the School

1.Does BST itself hold one of the MEXT-recognised institutional accreditations (WASC, CIS, etc.)?
Why this matters: Not confirmed this session — the WASC references found relate to a student pathway option, not necessarily the school's own institutional accreditation.
2.What proportion of students actually end up on each of the three senior pathways (IB / WASC / BTEC)?
Why this matters: Not confirmed this session.

Sources & Verification

Fees — The British School in Tokyoprimary source · as of: 2026-09-24Fetched directly. 2026-27 fee schedule: application ¥40,000, enrollment ¥500,000, educational resources ¥680,000 (one-time), tuition by year group, capital development ¥100,000/yr. No sibling discount.
Search synthesis on BST history and accreditation — Multiple (incl. Wikipedia)third-party source · as of: 2026-09-24Founded 1989. Two campuses: Azabudai Hills (ages 3-11), Showa (ages 12-18, on the Showa Women's University site). National Curriculum for England through Key Stage 4 (IGCSE), then a senior-years choice among IBDP, WASC and BTEC pathways. 1,300+ students, 65+ nationalities. Not independently confirmed against bst.ac.jp's own about/curriculum pages this session (direct fetch 404'd).
大学入学資格について — 文部科学省 (MEXT)official source · as of: 2026-09-23Sets out the routes to 大学入学資格: MEXT-designated schools; graduates of 12-year programmes at institutions accredited by WASC, CIS, ACSI, NEASC, Cognia or COBIS; holders of the IB Diploma, Abitur, Baccalauréat, GCE A-Level, International A-Level or European Baccalaureate; 高等学校卒業程度認定試験 (age-18 gated); and individual university review at 18+.

Last reviewed by William Prep: 2026-09-24

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