Tokyo International School is an international school in Minami Azabu, Minato, Tokyo, Japan. It was founded in 1997 by parents who wanted to provide an education for their children. The school contains a pre-school, elementary and middle school with a total student population of approximately 350 students from 55 countries. The 43 full-time faculty members come from 10 different countries. Instruction is in English and the school follows the International Baccalaureate Organization curriculum guidelines. It is accredited by New England Association of Schools and Colleges and the Council of International Schools. TIS is also a Columbia University Readers and Writers 'Project' school. This means it received regular visits on an annual basis from teacher trainers from Columbia University. Admission guidelines are designed to ensure each class has no more than 20 students. Located in the Minami Azabu area of central Tokyo, it is one of the few internationally accredited international schools in the centre of the city. The TIS Mission is to 'To nurture confident, open-minded, independently thinking, and well-balanced inquirers for global responsibility'. The Good Schools Guide International called it "A lively, imaginative school."