Top International Schools in Tokyo

Overview: Indian CBSE · 3–18 · ¥600K–¥1.2M

India International School in Japan (IISJ) is Tokyo's first Indian-curriculum international school, founded in 2004 and serving the Indian expatriate community with CBSE instruction from Kindergarten through Grade 12. The school offers the International Baccalaureate Diploma Programme in Grades 11–12 alongside CBSE Board Exams, with English as the sole medium of instruction. Located in eastern Tokyo (Koto-ku) in a modern 5-story facility, IISJ claims to be the largest Indian school and second largest international school in Japan. The school fosters a tight-knit community atmosphere with strong parental involvement, bicultural Indian-Japanese programming, and a broad range of after-school clubs and activities. Its motto, 'Knowledge is Light,' reflects its commitment to academic excellence and holistic student development.

Overview: IGCSE, A-Level · 12–18 · ¥640K–¥1.4M

Shiba Kokusai Junior & Senior High School is a private co-educational day school (Grades 7–12) located in Minato Ward, Tokyo, minutes from Tamachi and Mita stations. Founded in 1903 as Tokyo High Girls' School, it relaunched in 2023 under the name Shiba Kokusai with a focus on 'world-standard global education.' The curriculum blends STEAM, bilingual learning, entrepreneurship, and Harvard-style dialogic instruction across four high school tracks. The state-of-the-art Arcadia campus features a Stella Theater, Makers Hub, Rapyuta Dome, science and cooking labs, rooftop sports courts, and a full media center. First-graduating cohort (2026) achieved 100% on-time graduation with strong results to top Japanese universities.

Overview: IB MYP, IB Diploma · 12–18 · ¥734K–¥930K

Mita International School of Science (三田国際科学学園) is a prestigious private co-educational junior and senior high school in Yoga, Setagaya, Tokyo, founded in 1902. With approximately 1,415 students across three course tracks — International Class (IC, all-English), International Science Class (ISC), and Medical Science Technology Class (MSTC) — the school delivers a world-standard inquiry-based curriculum blending Japanese national education with IB MYP/DP and AP programmes. Its philosophy, rooted in the motto 知好楽 (Know, Love, Enjoy), cultivates 'free thinkers' who graduate to top universities globally, with over 100 students per cohort accepted to overseas universities including Harvard, Stanford, and Princeton.

Overview: A-Level, IGCSE · — · ¥804K–¥1.1M

Overview: IB PYP · 1–12 · ¥850K–¥950K

Shinagawa International School (SIS) is a private IB day school in Tokyo serving students aged 3–18 across three campuses in Shinagawa and Minato. Offering the full IB continuum (PYP, MYP, and DP), SIS emphasizes inquiry-based learning, global citizenship, and holistic development in a deliberately small, multicultural community of 450+ students from 40+ countries. With a 1:6 teacher-to-student ratio, average class sizes of 16–21, and over 70 weekly after-school programs, SIS delivers personalized education in a warm, family-like atmosphere. The school's SHARK values (Strength, Honesty, Adaptability, Respect, Kindness) guide community life, and robust EAL and learning-support services ensure students of diverse backgrounds can thrive.

Overview: US Curriculum · 3–12 · ¥913K–¥1.5M

Tokyo West International School (TWIS) in Hachioji offers a seamless K–12 bilingual education emphasizing English immersion and inquiry-based learning in a nature-rich campus in the suburbs of western Tokyo. Students study the globally-recognized IB Primary Years Programme through hands-on projects including gardening and sustainability, while also developing Japanese language skills. The high school program enables graduates to earn both Japanese and U.S. high-school diplomas. With a community drawing teachers and students from 15 countries, TWIS cultivates global citizenship through cultural exchange guided by the motto 'Grow Local, Soar Global.'