Our School

Elementary School

Grades K-5

We give our students the opportunity to acquire a high-quality education and enjoy new experiences in an international setting.

Middle School

Grades 6-8

The quality of instruction in the classroom is the single most important factor related to student achievement.

High School

Grades 9-12

We offer many academic, extra-curricular, and special-interest experiences—all designed to serve adolescent boys.

News & Events

Wrestling Team USA

It was a honor and great opportunity for St. Mary's to provide the school's wrestling mats for the USA Olympic wrestling team during their Olympic competition.

Read Full Article about Wrestling Team USA
Futakotamagawa station is 12 minutes from Shibuya station



A School with a Heart

At St. Mary's, every child finds a place:
each and every one is taken care of,
listened to, loved, and motivated.


Nurturing, Challenging and Connecting all Hearts and Minds



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