Tokushima Prefectural Joto High School (徳島県立城東高等学校, Tokushima Kenritsu Jōtō Kōtō Gakkō) is a secondary school in Tokushima, Tokushima, Japan, founded in 1902. It is one of the top high schools in Tokushima Prefecture. Approximately 1,100 students attend the school. The school is operated by the Tokushima Prefectural Board of Education. In 2004, the school replaced its old school building with a newer facility.