St. Mary's International School Tokyo

St. Mary's International School is a prestigious all-boys Catholic international school located in Setagaya, Tokyo, founded in 1954 by the De La Salle Brothers. The school offers a college-preparatory program for boys from Grade 1 through Grade 12, with a co-educational pre-kindergarten program. St. Mary's follows an American-style curriculum and offers the IB Diploma Programme, providing internationally recognized qualifications. The school is fully accredited by the Western Association of Schools and Colleges (WASC) and the Council of International Schools (CIS). With a community of over 700 students representing more than 50 nationalities, St. Mary's provides a diverse and inclusive learning environment rooted in Catholic Lasallian values. The school's extensive facilities include science labs, sports fields, a swimming pool, and performing arts spaces. St. Mary's comprehensive college counseling program ensures graduates consistently gain admission to top universities worldwide, including leading institutions in the United States, Japan, the United Kingdom, and beyond.