Welcome to St. Mary’s International School

Summer School registration

Register for Summer School here. Summer School is held at St. Mary's this year from June 9 to June 27. Boys and girls are welcome, with classes and activities for grades RP (Kindergarten) through 12.

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 ...

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