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Rugby School Japan (RSJ) — Day, Weekly, or Full Boarding, Your Choice

Chiba, Japan

Opened in 2023, operating under a brand licence from Rugby School in the UK. Located in Kashiwanoha Smart City, Chiba — day and boarding options both available.

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

RSJ opened in September 2023 under a brand licence from Rugby School in the UK, located in Kashiwanoha Smart City, Chiba. Students in Year 7-13 can attend as day pupils, weekly (5-day) boarders, or full (7-day) boarders. IGCSE runs in Year 10-11, A-Level in Year 12-13 — the IB is not offered.

At a Glance

Opened	September 2023 (not independently confirmed)as of: 2026-09-24
Attendance Options	Day / Weekly (5-day) boarding / Full (7-day) boardingas of: 2026-09-24
Curriculum	IGCSE → A-Level (no IB)as of: 2026-09-24
Est. First-Year Cost (Y7, day)	≈¥6.04M2026-27 · as of: 2026-09-24

An Unusual "Layer It On" Boarding Structure

Unlike full-boarding schools such as Harrow Appi or UWC ISAK Japan, RSJ is built around day tuition as the base, with weekly (¥2,900,000/yr) or full (¥3,200,000/yr) boarding layered on top as an add-on. Families within commuting range pay no boarding fee at all; families outside it can still enrol and board.

William Prep’s Analysis

This layered structure gives families real control over cost based on their situation, but it also means any total needs to be day tuition plus (if applicable) boarding, added together explicitly. Looking at the day-tuition figure alone and comparing it to a full-boarding school's headline number would make RSJ look cheaper than it actually is for a boarding family.

Fees: A Real First-Year Total of About ¥6.04M (Year 7, Day)

RSJ's own 2026-27 fee schedule lists three one-time charges: a ¥40,000 application fee, a ¥500,000 enrolment fee, and a ¥500,000 school development fee (upon enrolment). On top of that, an annual ¥500,000 facility maintenance fee applies alongside grade-banded day tuition (¥4,500,000 for Year 7), for a genuine day-pupil first-year total of roughly ¥6,040,000. Choosing to board adds ¥2,900,000 (weekly) or ¥3,200,000 (full) on top.

University Entrance Eligibility in Japan

School-accreditation route	No not publicly confirmedWhether RSJ holds any of the six MEXT-recognised accreditations was not confirmed this session.
Student-qualification route (IB, etc.)	No not publicly confirmedSince the IB is not offered, the IB-Diploma individual-credential route does not apply.

Whether RSJ itself holds a MEXT-recognised accreditation was not confirmed this session. Since it doesn't offer the IB, families with specific Japanese-university plans should confirm the actual eligibility route directly with the school.

Fees & Estimated First-Year Cost

academic year: 2026-27

Application Fee	¥40,000
Enrolment Fee	¥500,000
School Development Fee (upon enrolment)	¥500,000
Facility Maintenance Fee (annual)	¥500,000
Tuition (Year 7, day)Y7	¥4,500,000
Tuition (Year 8-9, day)Y8-Y9	¥4,750,000
Tuition (Year 10-11, IGCSE, day)Y10-Y11	¥5,300,000
Tuition (Year 12-13, A-Level, day)Y12-Y13	¥5,500,000
Boarding Fee (weekly, 5-day)	¥2,900,000
Boarding Fee (full, 7-day)	¥3,200,000
Estimated First-Year Total	¥6,040,000

Includes: application, enrolment, capital, facilities, tuition — Excludes: Excludes boarding fees (only for boarding students: ¥2,900,000 weekly / ¥3,200,000 full). This uses Year 7 day tuition as the base.

What Makes This School Distinctive

Three attendance options: day, weekly boarding, full boarding

A single school offering families a genuine choice of attendance mode

The school's own fee schedule itemizes day tuition and both boarding options as distinct, separately priced lines.

Families near Kashiwanoha skip boarding fees entirely; families farther away still have a path in via boarding.

Admissions

Cycle

未確認 not publicly confirmed

What Japanese Families Should Know

Who Might Find This School a Good Fit

Might suit — Families near Kashiwanoha Smart City (day tuition only), or families farther away wanting flexible boarding options

Might not suit — Families planning around the IB Diploma (RSJ does not offer the IB)

William Prep’s Analysis

What was interesting about researching RSJ is that, despite the boarding-brand-school image the name evokes, a genuine day option exists alongside it. A good reminder that the assumptions a brand name invites don't always match the actual structure underneath.

Questions to Ask the School

1.Does RSJ itself hold a WASC or other MEXT-recognised accreditation?
Why this matters: Not confirmed this session.
2.What is the actual path to Japanese university eligibility for an A-Level graduate here (no IB)?
Why this matters: Not confirmed this session.

Sources & Verification

Fees — Rugby School Japanprimary source · as of: 2026-09-24Fetched directly. 2026-27: application ¥40,000, enrolment ¥500,000, school development ¥500,000 (one-time), facility maintenance ¥500,000/yr, tuition by year group (day pupils, ¥4,500,000-¥5,500,000), separate boarding fee (¥2,900,000 weekly / ¥3,200,000 full). Runs IGCSE (Y10-11) then A-Level (Y12-13) — not the IB. Sibling remission: 5% for two siblings, 15% for three.
Search synthesis on Rugby School Japan history — Multiple (incl. Wikipedia)third-party source · as of: 2026-09-24Opened September 2023 in Kashiwanoha Smart City, Chiba (brand licence from Rugby School, UK). Offers day, weekly (5-day) and full (7-day) boarding. Not independently confirmed against the school's own history page this session.

Last reviewed by William Prep: 2026-09-24

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