St. Mary's International School (Tokyo) 
Independent: private non-profit school in Japan
- Mailing address:
St. Mary's International School (Tokyo)
6 - 19, Seta
1-chome,
Setagaya-ku
Tokyo
JP
158-8668 - T 81 03-3709 3411
- F 81 03-3707 1950
- E [email protected]
- W www.smis.ac.jp
- Lower School Ages: 4-11
- Lower School Sexes: Boys
- Lower School Numbers: 500 boys
- Middle School Ages: 12-14
- Middle School Sexes: Boys
- Middle School Numbers: 150 boys
- Senior School Ages: 14-18
- Senior School Sexes: Boys
- Senior School Numbers: 300 boys
- Teaching Language: English
- SEN: No SEN
- Boarding: Not available
- Uniform: Yes
- School Hours: 8:40-3:10 (Elementary) 8:25-3:15 (Secondary School)
- Fee Currency: Yen
- Fee Details: Annual Tuition Pre-First - Grade 12: Yen2,040,000 ESL (one time fee): Yen100,000
- Fee Extras: Registration: Yen300,000; Building Development (annual): Yen100,000; Building Maintenance (one time for new students): Yen500,000 School Bus (one way): Yen170,000 School Bus (both ways): Yen300,000 IB (per exam): Yen20,000
- Religion: Catholic
- Memberships: Kanto Plain Association of Secondary School Principals (KPASSP), East Asia Regional Council of Overseas Schools (EARCOS), Japan Council of International Schools (JCIS)
- State/Independent: Independent: private non-profit
Curricula:
- American High School Diploma (College Preparatory)
- International Baccalaureate (Diploma)
Accreditations/Inspections:
- Authorised by International Baccalaureate Organization (not to be confused as an inspection or accreditation agency)
- Council of International Schools (CIS)
- Tokyo Metropolitan Government
- Western Association of Schools and Colleges (WASC)