Top International Schools in Tokyo: Reviews and Rankings

Tokyo is one of the world's premier destinations for expatriate families, and choosing the right school for your child is one of the most consequential decisions you will make as a foreign resident. With around 60 to 70 international schools spread across the city, the options range from elite IB academies with globally competitive graduates to more affordable bilingual programs designed for children who are just beginning their English education. This guide covers the top international schools in Tokyo, comparing curricula, tuition fees, locations, and what sets each school apart — so you can make an informed choice for your family.

For a broader overview of the Japanese education system and alternatives to international schooling, see our Complete Guide to the Japanese Education System for Foreign Families. If you are still weighing whether an international school is right for your child, check out our International Schools in Japan: The Definitive Guide.

Why Tokyo's International School Scene Stands Out

Tokyo's international school landscape is among the most developed in Asia. Schools here offer genuine curriculum diversity — from American AP programs and British A-Levels to full International Baccalaureate continua and unique bilingual models. Most top-tier schools are accredited by major bodies such as WASC (Western Association of Schools and Colleges), CIS (Council of International Schools), or ACSI, and their graduates regularly gain admission to top universities in the US, UK, Europe, and Japan.

Key facts about Tokyo's international schools:

• Approximately 60–70 international schools operate in and around Tokyo
• Annual tuition ranges from ¥550,000 to over ¥5,250,000 (roughly US$3,700–$35,200)
• First-year total costs (including enrollment and activity fees) typically reach ¥3.5–5.5 million
• Schools are concentrated in central wards: Minato, Shibuya, Setagaya, and Shinjuku
• IB Diploma qualifications are recognized by over 4,500 universities in 110+ countries

For families navigating budgets and school fees, Living in Nihon's guide to raising children and education in Japan offers excellent context on the full financial picture of schooling as a foreigner.

Top International Schools by Curriculum Type

Tokyo's schools broadly follow one of four curriculum tracks: IB (International Baccalaureate), British (English National Curriculum / A-Levels), American (AP / US Standards), and Bilingual / Unique Models. Below is a breakdown of the strongest schools in each category.

IB Schools

K International School Tokyo (KIST) Located in Koto-ku, KIST is arguably Tokyo's highest-achieving IB school. Ranked 4th in the world among IB schools, 89% of the Class of 2025 scored 40 or above on the IB Diploma (out of 45), with 25% achieving a perfect score. The school runs the full IB Continuum — PYP, MYP, and DP — and attracts students aiming for elite global universities. Annual tuition: ¥2.8–3.4 million.

Tokyo International School (TIS) A well-regarded IB World School currently located in Minami-Azabu, TIS is preparing for a major move to a state-of-the-art campus at Takanawa Gateway City for the 2026/2027 academic year, at which point it will become a full K–12 institution. Known for its diverse, inquiry-based environment. Annual tuition: ¥3.0–3.3 million.

Shinagawa International School (SIS) Conveniently located near Shinagawa Seaside Station, SIS is fully accredited by WASC and implements all three IB programmes (PYP, MYP, DP). It has a vibrant, diverse student body and strong support for English language learners.

British Curriculum Schools

The British School in Tokyo (BST) BST is Japan's largest school following the English National Curriculum, serving over 1,100 students from 65+ nationalities. With campuses at Azabudai Hills and Showa, BST provides a full pathway from Nursery through A-Levels and is transitioning to offer the IBDP as well. Seisen International School's 2025 A-Level results included students who ranked 1st in Japan, 1st in Asia, and 1st in the world. Annual tuition: ¥2.9–3.0 million.

Seisen International School A multicultural Catholic school that is co-ed through kindergarten, then girls-only for Grades 1–12. Seisen offers the full IB Continuum and was officially accredited as an IB World School in 2025. Strong emphasis on developing women leaders through a nurturing, values-driven environment. Annual tuition: ¥4.0–5.2 million (premium tier).

Malvern College Tokyo A British-style IB World School accredited for PYP and MYP, serving pupils aged 4–16. Malvern brings the prestige of its UK parent institution with a Japan-based campus experience.

American Curriculum Schools

American School in Japan (ASIJ) Tokyo's oldest international school, operating since 1902. Located in Chofu, ASIJ offers a robust American standards-based curriculum with over 20 AP courses. The campus is world-class, featuring a 570-seat theater and a Japanese culture center. ASIJ is widely respected for its extracurricular breadth. Annual tuition: ¥3.7–4.1 million.

Columbia International School (Saitama) Though technically in Saitama, CIS is one of the most affordable larger international schools, using the Canadian curriculum and offering Ontario Secondary School Diploma options. Annual tuition: ¥1.8–2.1 million — one of the best value propositions in the Tokyo metro area.

Bilingual and Budget-Friendly Options

Nishimachi International School A prestigious K-9 institution known for its intimate, community-driven atmosphere. Uniquely, Nishimachi mandates daily Japanese language instruction alongside English-medium teaching — an outstanding choice for families who want their children to genuinely integrate into Japanese society while receiving an international education.

GREGG International School (Jiyugaoka) One of the most affordable international schools in Tokyo, with annual tuition of ¥1.2–1.6 million. GREGG features small class sizes and a family-like atmosphere, making it ideal for families on tighter budgets or those who want a less corporate school environment.

Aoba-Japan International School Approximately 50% of students come from Japanese families, giving Aoba a unique bicultural identity. The school provides strong EAL (English as an Additional Language) support through Grade 9, making it particularly welcoming for families where parents are not fluent English speakers.

Tuition Fee Comparison Table

Tuition figures are approximate for 2025/2026 and may not include enrollment, facility, or activity fees.

How to Choose the Right School for Your Child

With so many options, narrowing down your list requires a clear sense of your family's priorities. Here are the key questions to ask:

1. Which University System Are You Targeting?

If your child will likely apply to UK universities, a school following the English National Curriculum through A-Levels (BST, Seisen, Malvern) is the clearest pathway. For US universities, ASIJ's AP program provides the most direct alignment. For global flexibility, the IB Diploma is recognized by over 4,500 universities worldwide — making IB schools like KIST, TIS, and KIST excellent universal choices.

For families also considering Japanese universities, IB-qualified students can apply to English-taught programs at Waseda (SILS), University of Tokyo (PEAK), and Keio (PEARL). See our High School in Japan: Options for Foreign Families for more on these pathways.

2. What Is Your Budget?

Premium-tier schools (ASIJ, Seisen, Sacred Heart) can cost ¥4–5 million annually in tuition alone. When you add enrollment fees, learning support, and exam fees, first-year costs can reach ¥5–7 million. Mid-tier schools like KIST, BST, and TIS offer excellent outcomes at ¥2.8–3.3 million. Budget-friendly options like GREGG and Columbia International start at around ¥1.2–2.1 million annually.

For a detailed breakdown of managing education expenses, For Work in Japan's family life guide for foreigners covers financial planning as part of broader family life in Japan.

3. What Are the English Proficiency Requirements?

Entry requirements vary considerably. Most schools accept children with minimal English at the kindergarten level. However, upper elementary and secondary admissions typically require functional English. Schools like Aoba and CIS are explicitly more welcoming of families where English is not the first language. Always request an admissions interview and ask about EAL support before applying.

4. Japanese Language Integration

If you want your child to leave Japan genuinely bilingual, look for schools with mandatory Japanese language programs. Nishimachi is the gold standard here — daily Japanese instruction is a core part of their identity. Aoba also offers strong Japanese integration. Most other schools offer Japanese as a foreign language elective, which is less intensive but still valuable.

For strategies on raising bilingual children in Japan, see our article on Raising Bilingual Children in Japan.

Admissions: What to Expect

Most top international schools in Tokyo have rolling admissions but often limited spaces, particularly at secondary level. Key steps in the admissions process typically include:

1. Application form and documentation (academic records, birth certificate, residency status)
2. English language assessment (for students above Kindergarten)
3. Parent interview and sometimes a student interview or shadowing day
4. Placement test for Math and English at older grade levels
5. Enrollment deposit (typically ¥300,000–800,000, sometimes refundable)

Apply as early as possible — ASIJ, KIST, and BST often have waiting lists for popular grade levels. Some families apply to multiple schools simultaneously given the competitive nature of admissions.

For help navigating visa and legal requirements for foreign families, our guide on Visa and Legal Issues for Foreign Families with Children in Japan is a useful companion resource.

Alternative: Article 1 Schools and Semi-International Programs

Not all internationally-oriented schools carry the ¥3–5 million price tag. Article 1 schools — Japanese government-accredited schools that also offer international programs — provide a significantly more affordable alternative at ¥500,000–1,000,000 annually. These schools follow Japanese regulatory standards while integrating English instruction and international elements.

This can be an excellent bridge option, particularly for families who plan to return to Japan long-term or who want their children to have Japanese school qualifications. However, the international curriculum depth is typically less than dedicated international schools. For more on navigating the Japanese school system at the primary level, see our Elementary School in Japan Guide for Foreign Parents.

For more context on how domestic Japanese entrance exams work and what to expect at the junior high and high school levels, Chuukou Benkyou's middle school entrance exam guide provides an excellent primer on the Japanese academic pathway your child may eventually encounter.

Final Rankings: Our Top Picks by Category

Best Overall Academic Performance: K International School Tokyo (KIST) Best American Curriculum: American School in Japan (ASIJ) Best British Curriculum: British School in Tokyo (BST) Best for Bilingual Development: Nishimachi International School Best Value for Money: Columbia International School / GREGG International School Best IB Environment (Diverse): Tokyo International School (TIS) Best for Girls: Seisen International School Best for Bicultural Families: Aoba-Japan International School

For further rankings and updated enrollment data, see the International Schools Database for Tokyo and Tokyo Academics' overview of 18 top schools.

Choosing an international school in Tokyo is ultimately a deeply personal decision that depends on your family's long-term plans, language goals, budget, and the academic environment where your child thrives best. Take the time to visit multiple campuses, speak with current parents, and request a trial day if possible. The right school for your child is out there — and Tokyo's diverse international school ecosystem means you have genuinely excellent options at every price point.