Affiliations
KIST is affiliated with the following organizations:
International Baccalaureate (IB)
The IB, founded in 1968 in
Authorization history
| January 2002 | PYP authorization received |
| June 2003 | MYP authorization received |
| June 2004 | DP authorization received |
| January 2006 | PYP re-authorization received |
| November 2007 | MYP re-authorization received |
Council of International Schools (CIS)
The CIS is a non-profit association of international schools and educational institutions that aims to improve international education around the world. KIST has been a regular member of CIS since 2003.
Tokyo Association of International Preschools (TAIP)
TAIP, founded in 2005, supports international preschools in the
KIST was certified as an authorized educational foundation by the Tokyo Metropolitan Government’s Ministry of Education in July 2000. As an educational foundation, the school is eligible for tax-exempt status. Students are also eligible for concession fares on public transportation.
Principals’
The PTC is an international organization founded in 1989 that provides professional development opportunities and training for practicing and aspiring leaders in international schools. KIST is an official member of the PTC.

