Shoin Junior and Senior High School (Tokyo) (松蔭中学校・高等学校 (東京都), Shōin Chūgakkō Kōtō Gakkō) is a Japanese high school located in the Setagaya ward of Tokyo. It is affiliated with Shoin University. The predecessor of the school, a women's school, was founded in 1941. It was chartered as a Junior and Senior High School in 1947, and become coeducational in 2005.