St. Mary's International School

St. Mary's International School is an all-boys institution founded in 1954 by the Brothers of Christian Instruction. Located in the quiet residential area of Setagaya, the school provides a world-class education within a supportive and disciplined environment. While it is a Catholic school, it welcomes students of all faiths and backgrounds, focusing on the holistic development of 'men of character.'

The school offers the International Baccalaureate Diploma Programme (IB DP) for its high school students, maintaining some of the highest IB average scores in the region. St. Mary's is particularly famous in the Tokyo community for its powerhouse wrestling team, its award-winning varsity choir, and its competitive swim team. The campus features high-tech facilities, including a dedicated fine arts center and extensive sports grounds.