Welcome to St. Mary’s International School

Important calendar change: PD moved to Feb. 24

The Professional Development Day for Teachers which was originally scheduled for March 1 has been moved to Feb. 24.

There will be no school for Elementary students on Feb. 24. Middle and High School students will have early dismissal at 11:20 a.m.

All students will have a full day of school on March 1.

Ash Wednesday Observance: March 1

Following is our liturgical schedule for the School Chapel on Ash Wednesday, March 1:

Holy Mass and Imposition of Ashes
8:30 a.m.High School
2:30 p.m.Middle School
Imposition of Ashes
9:20 a.m.Grades 4 and 5
9:45 a.m.Grade 3
11:40 a.m.Grade 2
1:50 p.m.Grade 1

Lost and Found

Please see this important note about Lost and Found items.

Artscape 2017

St. Mary’s students join with 11 other international schools to prevent Artscape 2017 at the Azabu Kids To Teens Hall in Minami Azabu. Open through Feb. 28.

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.

Educating Boys: a series of articles on tailoring education for an all-boys school

Employment opportunities

Find employment opportunities for the 2017-18 school year here.

Cafeteria menu

See the Cezars Kitchen menu for February 2017.

See the Cezars Kitchen menu for March 2017.

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 ...

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