Welcome to St. Mary’s International School

Holiday Mass schedule

All Masses will be celebrated at the Chapel of the Brothers’ Residence at 10 a.m.

  • December 17 — 3rd Sunday of Advent
  • December 24 — 4th Sunday of Advent
  • December 25 — Christmas Day
  • December 31 — Feast of the Holy Family
  • January 7 — The Epiphany of the Lord

Fred Sava Memorial Basketball Tournament

The St. Mary’s Varsity Basketball team will be taking on challengers this weekend in memory of former coach Fred Sava. Find the details here.

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.

Cafeteria menu

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 60 years. Now in our second half-century, we have about 900 boys from approximately 50 different countries. This international student body, rich in cultural and religious diversity, contributes greatly to the unique educational experience we offer. More ...

Council of International Schools logoWestern Association of Schools and Colleges logoInternational Baccalaureate logo