Educational Approach & Accreditation

Educational Approach & Accreditation

IB PYP Accredited School

We are pleased to inform you that as of May 4th 2022, Tokyo West International School has been an official IB PYP accredited school.

What does it mean to be an IB PYP candidate school? It means that ​Tokyo West International School is pursuing authorization as an IB World School.

IB World Schools share a common philosophy – a commitment to high-quality, challenging international education that we believe is important for all our students.

Our mission at TWIS is ​to provide a challenging, holistic international education, that is innovative and evolving to children of all nationalities living in West Tokyo. ​

The educational program that TWIS provides focuses on a holistic education which means that the school is concerned with the development of every child’s intellectual, emotional, physical and social well-being.

TWIS’ mission is aligned with that of the IB which aims inquiring, knowledgeable and caring young people who help to create a better and more ​to develop all students into peaceful world through intercultural understanding and respect.

Therefore, the IB program encourages students to become lifelong learners who understand that other people, with differences in ideas and perspectives can also be righ​t.

A mindset and awareness that we aim for all of our students at TWIS to acquire as part of an International School.


The TWIS Program of Inquiry

The TWIS Assessment Policy

The TWIS Language Policy

The TWIS Academic Honesty Policy

The TWIS Child Protection Policy

The TWIS Admission Policy



Cognia Accredited School

We believe that drawing from each student’s interests and nourishing his or her desire to explore, is what makes learning most effective. Our approach focuses on stimulating our students’ natural curiosity and making learning relevant for them with a strong commitment towards further improvement.

Since 2013 TWIS has been accredited by Cognia, the largest of the five American college and university accreditation organizations.

We are committed to delivering our students a variety of educational programs to meet a wide range of aspirations and broaden their future perspectives while supporting their applications to high schools.

Cognia is the largest accreditation agency and international school community of educators in the world:



EARCOS is The East Asia Regional Council of Schools (EARCOS) is an organization of 199 member schools in East Asia. Membership in EARCOS is open to elementary and secondary schools in East Asia which offer an educational program using English as the primary language of instruction, and to other organizations, institutions, and individuals interested in the objectives and purposes of the Council.
As of November 30, 2021,TWIS is a member of EARCOS.