Welcome to St. Mary’s International School

Conference Day

Students strut their stuff for parents in student-led conferences

Br. Michel interview at itot

Former Headmaster Br. Michel was interviewed for the Futakotamagawa area guide at the itot website. See the interview and photos here. (Japanese only)

Varsity Ensemble selected for ACDA national conference in Salt Lake City

See the announcement here.

Welcome to St. Mary’s International School in Tokyo

St. Mary's International School has been providing quality education to the international community in the Tokyo area for over 50 years. Now in our second half-century, we have close to 1,000 boys from approximately 60 different countries. This international student body, rich in cultural and religious diversity, contributes greatly to the unique educational experience we offer. More ...