International School of Asia Karuizawa (ISAK) is a contemporary educational facility completed in 2013, designed by Edward Suzuki Architects. Located in Karuizawa, Nagano Prefecture, this school serves students from elementary through high school levels. The architecture exemplifies modern design principles while harmonizing with the surrounding natural landscape of the Karuizawa region. The building demonstrates thoughtful integration of educational spaces with environmental consciousness, reflecting contemporary approaches to institutional architecture in Japan. ISAK represents an important example of 21st-century school design that balances functional requirements with aesthetic and sustainable considerations.