The nearest station is Nishi-Ojima. Nishi-Ojima is conveniently accessible through the Toei Shinjuku Line. The nearest exit is A1. From Exit # A1 turn right and again right. Keep walking on footpath till you skip two traffic lights. When you see a Police Box(Koban) and a Family Mart on the other side of the road, walk 50 m more and turn right (near RE-PARK) to a narrow street. After walking about 50 meters, take first left to a very narrow street. You will reach the school.
It is also conveniently accessible by several bus networks also.
Please note: Buses #55 and #65 bound for Wakabadai-Chuo are available from the Tokaichiba Stn. to Nakamaru-Iriguchi Bus Stop.
Bus #23 bound for Wakabadai-Chuo is available from the Tokaichiba Stn. To Kayaba Koen-Iriguchi Bus Stop.
Buses #23, #55 and #65 all start from the Aobadai Stn. (Denentoshi Line) and are also available.