· updated monthly
The ten schools Tokyo parents researched most this year, chosen from the 81 international schools in the city. Ranked by how many families opened each school’s profile and spent time reading it between September 2025 and August 2026, then the full picture on curricula, class sizes and fees.
The 2026 ranking
Ranked purely by parent interest — the number of families who opened each school’s profile and spent time reading it between September 2025 and August 2026.
Rugby School Japan (RSJ) is a premier British international day and boarding school situated in the Kashiwanoha Smart City of Chiba Prefecture, located 30 minutes from central Tokyo via the Tsukuba Express Line. Serving a co-educational student body aged 11–18 (Years 7–13), RSJ delivers a rigorous British curriculum. This academic pathway leads to IGCSEs for Years 10–11 and A Levels for Years 12–13. Pupils are further challenged and supported through the Extended Project Qualification (EPQ), which facilitates independent, deep-dive research into specialised subjects of interest. The school is defined by its commitment to the development of "The Whole Person." Guided by the belief that social, recreational, and cultural engagement is essential to individual growth, RSJ provides a vast array of co-curricular enrichment. This includes professional-level programmes in music, drama, dance, coding, and debating, alongside elite sports clubs, outdoor education, and diverse academic and cultural societies. As it enters its third academic year with a thriving community of 300+ pupils, RSJ offers flexible residency options including Day, Weekly, and Full Boarding, fostering a global community within a state-of-the-art Japanese setting.
The American School in Japan (ASIJ), founded in 1902, is a non-profit, co-educational school in Tokyo serving students from nursery through high school on two campuses. Younger children attend the Early Learning Center in Roppongi (nursery–kindergarten), while the main campus in Chofu serves kindergarten–grade 12 next to Nogawa Park. ASIJ follows an American-model curriculum and offers Advanced Placement (AP) courses, including AP Capstone. High school students also have structured support through a seminar program and grades 11–12 can complete a two-year Deep Learning Signature Program. Beyond classes, students can choose from 170+ co-curricular options, including VEX Robotics, iGEM, Model UN and extensive arts and athletics opportunities.
India International School in Japan (IISJ) was established in 2004 and provides education from Kindergarten through Grade 12. The school follows the Indian Central Board of Secondary Education (CBSE) curriculum, with students sitting for CBSE Board Examinations in Grades 10 and 12. IISJ also offers the International Baccalaureate Diploma Programme for senior secondary students and publishes IB programme information on its website. The Tokyo campus relocated to a new building in spring 2023, which includes physics and chemistry laboratories, a library, a cafeteria, a gymnasium and a soccer field. Instruction is delivered in English, and additional languages taught as subjects include Japanese, Hindi, Tamil, French, and Nepali. IISJ provides a school bus service in Tokyo. After-school activities listed by the school include Model United Nations, STEM Club, Student Council and sports such as basketball and cricket.
Yokohama International School (YIS) opened on 27 October 1924 and is located at 2-100-1 Kominato-cho, Naka-ku, Yokohama. Students learn through the International Baccalaureate Primary Years Programme (PYP) in the Early Learning Center and Elementary School and the Middle Years Programme (MYP) in Grades 6–8. In the Early Learning Center (ages 3–5), learning is play-based, rooted in the PYP and inspired by Reggio Emilia. YIS also runs a Japanese Culture Program that spans the full student journey and connects experiences to IB learning, including the Diploma Programme. Beyond classes, the school highlights athletics and activities supported by facilities such as a 25-meter heated indoor swimming pool, an artificial turf field and a double gymnasium.
The British School in Tokyo’s Showa Campus is located at Showa Women’s University in Taishido and opened in 2007. It serves Year 7 to Year 13 students. BST teaches a curriculum founded on the National Curriculum for England and in Key Stage 4 students follow an IGCSE programme taught by subject specialists. For senior students, BST states the IB Diploma Programme (IBDP) is now embedded as the pathway for Years 12–13, alongside the school’s IGCSE foundations. Students can also access broader programmes such as BST Outdoors, with trips that include outdoor activities in Okutama, Tokyo prefecture. BST also states it runs 130 extracurricular clubs across the school.
Kunimoto Alberta International School is a six-year all-girls program in Tokyo offering Grades 7 through 12. The school delivers both the Alberta (Canada) curriculum and the Japanese national curriculum, allowing students to study within an international academic framework while remaining in Japan. The campus is located in Setagaya Ward, a residential area in western Tokyo and is within walking distance of Kitami Station on the Odakyu Line. This makes the school accessible from central parts of the city. Facilities include a library, computer room, science rooms, gymnasium, tea ceremony room, kitchen facilities and outdoor sports areas such as a lacrosse field and tennis court. A distinctive feature noted by the school is that it operates an Alberta-accredited program in Japan, with instruction aligned to Alberta Education standards. Students can also participate in a wide range of clubs, including arts, sports, language and service activities.
Tokyo International Public School (TIPS) is an English-medium school in Edogawa-ku, Tokyo, with campuses in Nishi-Kasai and Naka-Kasai. It offers a Montessori kindergarten program for children in K1 (ages 3–4) and K2/K3 (ages 4–6), with learning goals that include early literacy, numeracy foundations, social development and hands-on skill-building. For primary years, TIPS provides a Cambridge Primary program for Grade 1 to Grade 5. The school says it aims to connect Japanese and international communities through its English-medium approach. The school also notes that the Nishi-Kasai campus is an approved facility for government-related subsidies for eligible kindergarten-aged children, with subsidy amounts depending on the local ward.
Tokyo International School (TIS) is a non-profit IB World School in Minami Azabu, Minato-ku, with over 460 students representing 70+ nationalities. TIS delivers the IB Primary Years Programme (Kindergarten–Grade 5), serving about 230 students aged 5–11 and the IB Middle Years Programme (Grades 6–10), serving about 160 students aged 11–16. The school also offers the IB Diploma Programme, with Grade 11 introduced from the 2025–26 school year. Japanese is taught alongside English (the language of instruction). TIS highlights its central Tokyo location and uses nearby parks, museums and landmarks as part of school life, alongside trips such as residential visits to Hakuba, Nara and Kanazawa, plus a Grade 10 overseas trip to Thailand.
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.
Lycée Français International de Tokyo (LFI Tokyo) is a French international school located in the Takinogawa residential area of Kita Ward in northern Tokyo. The campus is easily accessible by public transport, within walking distance of Shin-Itabashi Station on the Toei Mita Line and Itabashi Station on the JR Saikyō Line. According to the school, LFI Tokyo follows the official programmes of the French Ministry of Education and is part of the AEFE (Agency for French Education Abroad) network, offering continuity with the French national education system from preschool (Petite Section) through the final year of secondary school (Terminale). The school provides education across early years, primary and secondary levels, and offers specific international and language-focused pathways such as PARLE and designated international sections, as reflected in its official fee structure. For younger pupils, LFI Tokyo operates a registered school bus service with supervised pick-up points.
What’s on offer
The mix of programmes and teaching languages across all 81 schools. Many offer more than one curriculum, so totals run higher than the school count.
Number of schools teaching each curriculum.
Number of schools teaching in each language.
Size & classes
School size and class size shape day-to-day experience as much as curriculum does.
Schools grouped by total enrolment.
Average school size is 599 students · based on the 67 schools that report enrolment.
Schools grouped by typical class size.
Average class size is 16.8 students · based on the 61 schools that report it.
What it costs
Fees shown are one year for a 12-year-old (or the closest age available), excluding one-time enrolment costs.
Across the 71 schools that publish a price for a 12-year-old. All figures in JPY.
How many schools sit in each annual-fee range.
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