K. International School Tokyo (hereinafter referred to as KIST) was founded in 1997, and has been offering an affordable international education rich in religious diversity to more than 630 students representing around 50 different nationalities.
Since the foundation, it's been outgrowing its facilities, and now they plan to add a new building that will house a gym, laboratory, studios for music production, and many other state-of-the-art facilities to extend their campus.

KIST chose to adopt the world-renowned International Baccalaureate Primary Years Programme (K1 to Grade 5), Middle Years Programme (Grades 6 to 10) and Diploma Programme (Grades 11 and 12) as the most appropriate curriculum frameworks for the school.
These IB programs focus on the total growth of the child, affecting hearts, as well as minds and addressing social, physical, emotional and cultural needs in addition to academic welfare. And Overarching all three IB programmes is the learner profile which is defined by a list of behaviours that the programmes intend to develop in all children in all school cultures.
The school is ranked 7th in Global Top IB Schools ranking 2021 (has been ranked 1st amongst Japanese IB Schools since 2015) and keeps high acceptance rate for world top universities.

KIST strives to create a safe and caring environment set firmly within a framework that promotes academic excellence through traditional values, a disciplined approach and a healthy lifestyle. The three guiding principles of Respect, Responsibility and Safety overarch all aspects of school life. All students are required to abide by the school dress code by wearing the school uniform and maintaining a conservative appearance throughout their enrolment.
The school also holds various events. Family Day is an important annual event held on a Saturday in May. which aims to improve communication throughout the entire school community through sporting games and enjoyable physical activities in a fun and friendly atmosphere.
KISTival, the annual school festival, is the largest and most important fundraising activity held during the school year. Money raised from KISTival is put toward the purchase of learning materials that benefit all students in the school, or towards specific projects aimed at improving the general learning environment or school facilities.