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Japan, Tokyo
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St. Mary's offers after-school programs that emphasize academic enrichment. The program includes speech and debate, Brain Bowl, and math contests to foster critical thinking and time management. Robotics is offered as a STEM-focused activity, giving students hands-on opportunities to code and work with robots. These activities extend learning beyond the classroom and support analytical thinking, collaboration, and resilience.
St. Mary's has a robust Fine Arts & Activities program. The school operates 14 music groups, including choirs, a concert band, and a jazz ensemble, with regular concerts and ensemble events. The Visual Arts program offers painting, drawing, ceramics, and printmaking, and drama opportunities exist from Elementary through High School, including a tri-school Spring Musical with sister schools. The arts program also includes trips, competitions, exhibitions, and involves service clubs connected to the arts.
St. Mary's supports cultural and language activities through events and clubs. The school participates in Model United Nations conferences, and hosts intercultural events such as the International Interkultur Choir Competition Kobe. Debating appears in KPASS events and debate meets, providing opportunities to engage in competitive discussions. The Summer Adventure program offers language-rich experiences to support international students and cross-cultural learning.
Beyond academics, students can pursue informal interest-based activities and clubs. After-school options include board games and other social clubs that help students socialize and develop teamwork skills. These activities are designed to complement classroom learning and foster peer connections.
Community service and service clubs are part of student life at St. Mary's. The Fine Arts & Activities program notes that the school supports numerous organizations and service clubs, offering opportunities to give back and engage with the local and global community. Students may participate in service projects coordinated by clubs or through advisory programs. These activities foster social responsibility and lay the groundwork for ongoing community involvement.
Leadership and professional development are supported through advisory programs and university counseling. The High School Advisory helps students reflect on values and goals. The University Counseling program runs from Grade 10 with an introduction to standardized testing and ongoing guidance through Grade 12, including PSAT practice and families' conferences for planning. Career Day invites industry professionals and supports resume building and interview skills.
St. Mary's emphasizes physical wellbeing through athletics. Major sports include swimming, baseball, and basketball, with inter-scholastic competitions in the middle and high school and weekend fixtures such as ball hockey, soccer, and tennis. An annual ski trip is part of the Elementary program, contributing to fitness, teamwork, and outdoor activity.
St. Mary’s International School is an all-boys school in Tokyo that educates students from kindergarten through Grade 12 and was founded in 1954. The campus is in Setagaya ward and the school describes itself as located in the heart of Tokyo. English is the language of instruction. In high school, students can pursue the International Baccalaureate Diploma Programme (IB DP), a programme designed for ages 16–19. The school profile also notes class sizes are capped at 24, with many classes under 20. Beyond academics, the school highlights activities such as the fall play and clubs like Brain Bowl, debate and speech. Transportation support is available through a school bus service.
