The Japanese School in London (ロンドン日本人学校, Rondon Nihonjin Gakkō) is a Japanese international school in Acton, London Borough of Ealing. The school is incorporated as The Japanese School Limited (日本人学校有限会社, Nihonjin Gakkō Yūgen Kaisha). The Japanese Saturday School in London (ロンドン補習授業校, Rondon Hoshū Jugyō Kō), a Japanese supplementary school, is a part of the institution. As of 2021 the head teacher of the day school is Hideki Ishiyama (石山 秀樹, Ishiyama Hideki).