UWC ISAK JapanTuition, Admissions & Curriculum
William Michihiko Akiyama
William Prep
Nagano, Japan
The published fee is ¥7. 225M a year — but roughly 70% of students receive financial assistance. The rule that matters most: you must apply for it at Grade 10 entry, or the door effectively closes.
Last reviewed by William Prep: 2026-09-23
UWC ISAK Japan is a full-boarding IB Diploma school in Karuizawa, Nagano, spanning only Grades 10–12, with every student living on campus. It belongs to the United World Colleges movement, and describes an admissions process that weighs values and contribution to a diverse community alongside academics.
At a Glance
| Location | Karuizawa, Nagano (full boarding) (not independently confirmed) |
| Grades | Grades 10–12 (not independently confirmed) |
| Curriculum | IB Diploma only (not independently confirmed) |
| Published Fee (full rate, annual) | ¥7,225,0002026-27 · as of: 2026-09-23 |
| Receiving Financial Aid | ≈70%as of: 2026-09-23 |
01Tuition & Fees
academic year: 2026-27
| Tuition | ¥4,900,000 |
| Boarding Fee | ¥1,825,000 |
| Facilities Fee | ¥500,000 |
| Estimated First-Year Total | ¥7,225,000 |
Includes: tuition, other, facilities — Excludes: Excludes application fees, one-time entry costs, textbooks, and personal expenses. Crucially, this ¥7,225,000 figure is the full published rate — roughly 70% of students receive financial assistance, so the real cost for most families is substantially lower than this headline number.
Financial Assistance
| Proportion receiving aid | 約70%academic year: 2026-27 |
| Need-blind? | Noacademic year: 2026-27Some third-party sites describe ISAK as need-blind; the school's own page explicitly says need-aware. The school's own wording takes precedence. |
Financial assistance must be applied for at the point of Grade 10 entry, alongside the admissions application. New applications from Grade 11 onward are not normally accepted, except in cases of significant, demonstrable changes in family financial circumstances.
02Admissions
| Cycle | Grade 10入学のみ、年次サイクル（グローバルな出願者を対象） not publicly confirmed |
University Entrance Eligibility in Japan
| School-accreditation route | Yes (not independently confirmed) |
| Student-qualification route (IB, etc.) | Yes |
ISAK's own legal status (whether it issues a Japanese high school diploma) is not publicly confirmed, so the school-accreditation route is recorded as reported rather than confirmed. Independent of that, a student who completes the full IB Diploma qualifies via the individual-credential route regardless of the school's own status.
What Japanese Families Should Know
Questions to Ask the School
1.Does ISAK issue a Japanese high school diploma? If so, under what legal framework?
Why this matters: Public information does not establish this clearly; confirm it directly with the school.
2.What were last year's IB average score, diploma pass rate, and actual matriculation destinations (not just offers)?
Why this matters: Public information does not establish this clearly; confirm it directly with the school.
3.What specific criteria determine whether a "significant change in circumstances" qualifies a family for a new aid application after Grade 10 entry?
Why this matters: Public information does not establish this clearly; confirm it directly with the school.
03Curriculum
University Pathways
ISAK publishes a "School Profile for University Advising" document, but it was not opened and read in currently available public information.
IB average score, diploma pass rate, and specific matriculation destinations are not publicly confirmed.
04School Features
The ¥7. 225M Figure Isn't What Most Families Actually Pay
ISAK's published 2026-27 fee is tuition (¥4,900,000) + boarding (¥1,825,000) + facilities (¥500,000) = ¥7,225,000. That figure is accurate, but misleading in isolation. The school itself states that roughly 70% of students receive some level of financial assistance, drawing on about ¥600 million distributed annually. The full ¥7. 225M is a ceiling, not what a typical family pays.
"Need-Aware," Not "Need-Blind"
Several third-party sites describe ISAK's admissions as need-blind. The school's own page explicitly says it is need-aware, "to ensure that we can meet the full demonstrated need of all applicants accepted. " This looks like inaccurate third-party summarising rather than a deliberate overstatement by the school — but we've given the school's own wording precedence.
The rule that matters most: if you expect to need financial assistance, you must apply for it alongside the Grade 10 admissions application. New applications from Grade 11 onward aren't normally accepted, barring a major, demonstrable change in family circumstances. There is no real option to "apply at full price now, ask for aid later. "
What Makes This School Distinctive
Financial aid is structurally central, not an afterthought
~70% of students receive assistance, drawing on roughly ¥600M distributed annually
Stated directly on ISAK's own fees & financial assistance page.
Worth knowing before ruling the school out on the headline fee alone — the real cost for a given family can differ enormously depending on aid.
Who Might Find This School a Good Fit
Might suit — Families able to demonstrate financial need and apply for aid precisely at Grade 10 entry
Might not suit — Families needing aid who are considering entry at Grade 11 or later — new applications are not normally accepted at that point
Might suit — Students genuinely ready for independent, full-boarding life
Might not suit — Families expecting a day-school arrangement, or students uneasy about boarding
Explore Other Schools
- Hakuba International School (HIS)Hakuba
- American School in Japan (ASIJ)Chōfu
- Tokyo Metropolitan Kokusai High School (Kokusai-kō)Meguro-ku
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