School Information
An IB Diploma Programme accredited school located in Koto City, Tokyo.
・In the 2025 DP final examinations, the school achieved an average score of 42 points, demonstrating an exceptionally high level of academic performance on a global scale. Its world ranking was 3rd.(ended up in 4th place)
・As part of their education, volunteer activities are mandatory, and students actively engage in activities that contribute to the local community.
・In athletics, the school belongs to ISTAA and Kanto Plain(The official name is Kanto Plain Association of Secondary Schools) leagues, regularly competing with other international schools and achieving outstanding results.
Last updated year : 2026
Detailed Information
| School Name | K. International School Tokyo | ||||||||||||||||||||
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| Phone Number | 03-3642-9992 03-3642-9993 |
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| Email Address | info@kist.ed.jp |
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| Website | https://www.kist.ed.jp/ja | ||||||||||||||||||||
| Number of Campuses | 1 | ||||||||||||||||||||
| Campus | |||||||||||||||||||||
| School Type | Kindergarten / Elementary School / Junior High School / High School | ||||||||||||||||||||
| Number of persons, etc. |
Kindergarten
Capacity 144
Average number of classes (per grade level) 2
Average Class Size 16
Elementary School
Capacity 240
Average number of classes (per grade level) 2
Average Class Size 24
Junior High School
Capacity 240
Average number of classes (per grade level) 2
Average Class Size 22
High School
Capacity 96
Average number of classes (per grade level) 2
Average Class Size 20
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| Capacity (entire school) | 720 | ||||||||||||||||||||
| Admission Requirements and Selection Process |
Applicants must not require special support. |
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| Coeducational/Boys' School/Girls' School | Coeducational | ||||||||||||||||||||
| Instructional Language | English, Japanese | ||||||||||||||||||||
| Primary Nationalities of Students |
China, India, Korea, the United States, the United Kingdom, Canada, and Australia
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| School Year | September - August | ||||||||||||||||||||
| International accreditations held (WASC, CIS, ACSI, NEASC, Cognia, COBIS, etc.) |
CIS / Others JCIS、EARCOS、Japan of Supervision and Curriculum Development (JASCD), The Principals’ Training Center for International School Leadership (PTC), Tokyo Association of International Preschools (TAIP), College Board |
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| Membership (WASC, CIS, ACSI, NEASC, Cognia, COBIS, etc.) |
CIS |
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| Curriculum |
International Baccalaureate (PYP) / International Baccalaureate (DP) / IGCSE Pearson Edexcel International GCSE |
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| Tuition |
Kindergarten
Tuition 2,700,000yen
Elementary School
Tuition 2,700,000yen
Junior High School
Tuition 2,700,000yen
High School
Tuition 2,700,000yen
Contact each school to confirm the full cost of attending –some fees may not be listed here. |
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| Number of Teachers | 113 | ||||||||||||||||||||
| Sports Facilities | Sports Field：Available / Gymnasium：Available / Swimming Pool：Not Available | ||||||||||||||||||||
| School Bus | Available |