Welcome to ISAK

ISAK is a fully residential, 3-year international high school located in Karuizawa, Japan. Our students are curious, bright, and passionate about taking action in the service of others. Our challenging International Baccalaureate (IB) Diploma Programme curriculum, combined with our unique leadership, mindfulness and design innovation programs, makes ISAK an exceptional place to live and learn. If you are looking for a world-class education that teaches so much more than how to pass an exam, take a look at ISAK!