KIST is conveniently located along Kiyosubashi-dori on the western edge of Koto-ku, approximately three kilometers to the east of Tokyo station. Close to the intersection of Kiyosubashi-dori and Kiyosumi-dori, KIST is most easily accessible by subway from Kiyosumi-Shirakawa station.

K. International School Tokyo
1-5-15 Shirakawa, Koto-ku, Tokyo, Japan 135-0021
Below indicates the approximate times required to reach KIST by train from major centers around Tokyo and neighboring prefectures.
- Tokyo: 12 minutes
- Shinjuku: 30 minutes
- Shibuya: 24 minutes
- Ueno: 16 minutes
- Roppongi: 20 minutes
- Ikebukuro: 25 minutes
- Chiba: 42 minutes
- Omiya: 45 minutes
- Yokohama: 43 minutes