INTERNATIONAL SECONDARY SCHOOL (ISS) is a not-for-profit, grades 6-12 co-educational school providing a customized international education for exceptional, diverse, and at-risk students in Tokyo.

The INTERNATIONAL SECONDARY SCHOOL student body represents many countries, being both native and non-native speakers of English. The medium of instruction is English. ESL support is provided for students with English as a Second Language in all year levels. ISS also provides a quality special education program for students who have been formally identified with specific mild to moderate learning challenges.