St. Mary's International School
Location
- Seta: 1-6-19 Seta, Setagaya City, Tokyo (nearest station: Futako-Tamagawa Station, Kaminoge Station)
Ages
Recruiting Readiness Program (age 5) to Grade 11 (entry in Grade 12 is not accepted).
Curriculum
Lessons based on American standards (Common Core, NGSS, AERO); the high school offers the IB DP. A Catholic boys' school.
Annual tuition (2026–27 school year)
| Elementary School | ¥2,860,000 |
| Middle School | ¥2,970,000 |
| High School | ¥3,050,000 |
In addition, Building Maintenance of ¥200,000/year.
Fees at entry
Application fee ¥50,000. At entry, Registration ¥400,000 and Development Fund ¥1,000,000.
School bus
There is a school bus. Annual fees are ¥310,000 one way and ¥420,000 round trip.
Japanese lessons
Grades 2–5 have Japanese lessons.
Lunch
Meals and snacks from Cezars Kitchen (cashless cafeteria).
Each item was checked on its official source page on 2026-11-11. Tuition and admission conditions change every year. Before applying, always check with the official website of St. Mary's International School.
How to choose an international school (types, accreditation, legal status, next steps)