K. International School Tokyo

About the school

K. International School Tokyo is a private, coeducational, non-denominational day school in Koto-ku, founded in 1997, with 665 students of over 50 nationalities from pre-Kindergarten to Grade 12, taught in English. It offers the IB PYP, Pearson Edexcel IGCSE in Grades 9 and 10 and the IB Diploma Programme, offered since 2004, for all students in Grades 11 and 12.

Key facts

Founded

1997

IB Diploma since

2004

Students

about 665 (2026)

Nationalities

50+

Ages

3-18

Status

Private

Teaching languages

English

Students

Co-educational

Boarding

No, day school

Programmes

• PYP
  Primary Years Programmeages 3 to 12
• DP
  Diploma Programmeages 16 to 19, authorised in 2004

Also taught: IGCSE

Accreditations: CIS

Tuition fees

JP¥2,930,000 – JP¥3,100,000 per year

Annual fees published by the school (2027-28), from the youngest to the oldest year group. Registration, transport and meals may be extra. Source