Welcome to St. Mary’s International School

Conference Day

Students strut their stuff for parents in student-led conferences

"Celebrating 60 Years of Making a Difference," Excellence in Education

St. Mary's International School is celebrating its 60th anniversary in the 2014-15 school year with a number of events.

60 year Celebration Week Schedule and Information

60th Anniversary Gala at Tokyo American Club

RSVP deadline extended to Oct. 22.

See more events 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 ...