One life.
Realize your potential.
Be a catalyst for positive change.

Learn more about us and our unique mission

Our High School

As Japan’s first full-boarding international high school (grades 10-12), we are committed to educating intellectually curious, compassionate, and innovative students from around the world who are eager to make a difference.

About Us

UWC ISAK Japan opened its doors in 2014 as International School of Asia, Karuizawa (ISAK) before joining the UWC movement as its 17th member school in 2017. We are deeply committed to the pursuit of innovative models of education that will serve the next generation of leaders in a rapidly changing world.

Testimonials

At a Glance

200
Students
Over
80
Countries Represented
70
Faculty & Staff
1
Community

Short Courses

All of our short courses aim to introduce students to UWC ISAK Japan’s unique approach to education, where we emphasize creative and critical thinking, leadership, and diversity. Join in summer, winter, or online to learn why participants call our short courses life-changing.

Summer School

For 13-14 Year olds

Winter School

For 12-13 Year olds

Giving​

UWC ISAK Japan was built on generosity and is defined by gratitude. Find out how you can support us by contributing your time, your talent, or financially with your treasure.

School Blog

Find out about what’s going on at UWC ISAK

Inspiring stories from the
UWC ISAK Japan Community