Welcome to St. Mary’s International School

Summer School registrations

Registrations for St. Mary's Summer School program have begun. Sign up now!

2016-17 School Calendar

View the 2016-17 School Year Calendar here.

Update on donations

Please see this update on giving to support St. Mary’s from the Development Office.

Top 10 reasons to choose St. Mary’s

As a part of our 60th anniversary celebrations, we’ve compiled this List of the Top 10 reasons parents choose St. Mary's International School.

Influenza season has started

Please see this important message from the school nurse about influenza.

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 ...