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Welcome to St. Mary's International School

We are a boys school, focused on the needs of boys.

St. Mary's International School is a Catholic school which was founded in 1954 on the Mennaisian mission  to Instruct, Educate and Impart  Christian Values in a safe and nurturing environment. At St. Mary’s, we nurture the intellectual, physical, emotional and social development of each student. Our challenging array of core curricular and extra-curricular programs is designed to enable each student to achieve excellence and success. We provide a positive and safe learning environment, where a spirit of cooperation, friendship and mutual respect helps to maximize individual achievement.

About Us

St. Mary’s International School was founded in 1954. At St. Mary’s, we nurture the intellectual, physical, emotional and social development of each student. Our challenging array of core curricular and extra-curricular programs is designed to enable each student to achieve excellence and success.

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Admissions

If you are interested in providing your son with a unique educational experience in an international, all-boys environment, take the first step by sending us an inquiry.

Admissions

Academics

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.

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Learning

Student Life

A St. Mary’s student is exposed to a variety of learning opportunities where he can grow in a variety of areas.

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Student Life
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Activities

Students at St. Mary’s are strongly encouraged to participate in our various sports activities.

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Athletics & Activities

Facilities

St. Mary’s International School was founded in 1954. It moved to its current location in Setagaya ward in 1971.

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Campus