St. Mary’s International School is a Catholic all-boys’ school which welcomes students of all faiths and nationalities. The school offers a challenging, college preparatory American/international curriculum which culminates in the International Baccalaureate Diploma Programme.
Boys are encouraged and supported to develop their talents academically, artistically, physically, socially and spiritually. There is an enriching co-curricular program for athletics and fine arts. The campus which has extensive buildings and sports facilities is located on a large site in suburban Tokyo.


| admissions@smis.ac.jp |
| 03-3709-3411 |
| 1-6-19 Seta, Setagaya-ku |
| 8 min. from Futako-Tamagawa Sta. East exit |
| 5–18 yrs / Pre.1–Gr.12 (boys) |
| School Buses: Available (shared with Seisen) |
| Parking: Yes |
| Number of Students: 930 |
| Website: St. Mary's International School |