Our Story

Since our inception, TIS has always been truly international, forward thinking and striving to improve.

Here is our story…

Our story in dates


Pre School

Tokyo International School Pre School was founded. Enrollment of five students.
The students would learn lifelong skills, concepts and values that could be easily transferred across the world and would equip them for a rapidly changing, international future. TIS would serve the many mobile, expatriate families in Tokyo.


Primary Years Program

Tokyo International School expanded into Primary Years Program and moved to the larger Meguro Honcho Campus.


Mita 4-chome Campus

TIS moved to a new campus to accommodate its enrollment which was then 104 students.


Middle Years Program

Now with 190 students TIS expanded into Middle Years Program.


NEASC Accreditation

TIS received accredited school status by the New England Association of Schools and Colleges: a USA accrediting body.


Nankai Elementary School Campus

With student enrollment at 235 students TIS moved into Nankai Campus rented from Minato-ku.

CIS Accreditation

TIS received accredited school status by the Council of International Schools, the hallmark in international education.


PYP Authorization

TIS became authorized to deliver the International Baccalaureate (IB), Primary Years Program and received the accolade as an IB World School.


MYP Authorization

TIS became authorized to deliver the International Baccalaureate (IB), Middle Years Program.


Minami Azabu Campus

TIS moved into its new purpose built campus nestled in the embassy district of central Tokyo.



The Reading and Writing Project

TIS became a Columbia University Teachers College Reading and Writing Project status school with a close relationship with the Teachers College and annual training provided by College staff developers.


Apple Distinguished School

Awarded Apple Distinguished School status.



Non Profit Status

TIS obtained Gakko-Hojin (Incorporated Educational Institution) and not-for-profit status. Ikuko Tsuboya Newell became Chair of the TIS School Board.


Annual Report


Annual Report


Annual Report


Annual Report


Annual Report

Future plans

Grade 10

We will open Grade 10 in August, 2023 at the current campus. This initial move will prepare TIS for its continued growth at secondary level.


New Site in Takanawa Gateway

We are very pleased to announce that we will be moving to the new Takanawa Gateway Development in August 2026. This is in partnership with East Japan Railway (JR) near the new JR station Takanawa Gateway.

Apple Distinguised School

Tokyo International School is a non profit school, which is accredited by the Council of International Schools and the New England Association of Schools and Colleges.
We are a fully authorized, International Baccalaureate World School, catering for students from Kindergarten 1 (four years old) to Grade 8 (fourteen years old).