This is a list of single gender schools (boys' schools and girls' schools) in Japan.
Aichi Prefecture
Hikarigaoka Girls' High School
Chiba Prefecture
Gifu Prefecture
Gifu Daiichi High School - Boys' school
Hyōgo Prefecture
- Amagasaki - Girls' school
Kanagawa Prefecture
Boys' schools
Asano Junior & Senior High School
Eiko Gakuen
Keio Senior High School
Keio Futsubu School a.k.a. Keio Gijuku Futsubu (慶應義塾普通部, Keiō Gijuku Futsubu; junior high school)
Girls schools
Caritas Girls' Junior & Senior High School
Ferris Girls' Junior & Senior High School (Yokohama) Hosei University Girls' High School Kamakura Jogakuin Junior and Senior High School Kanrei Shirayuri Gakuen Junior/Senior High School Kitakamakura Girls' High School Kanrei Shirayuri Gakuen Junior/Senior High School (Hakone)
Shonan Joshi Senior High School
Shonan Shirayuri Gakuen Junior High School and High School (Fujisawa) Takagi Gakuen Girls' High School
Yokohama International Girls' Institute Suiryo High School
Yokohama Jogakuin Junior and Senior High School
Kobe Prefecture
Kobe Kaisei Girls' Junior & Senior High School
Kumamoto Prefecture
Tamana Girls High School
Miyagi Prefecture
Sendai Shirayuri Gakuen Junior High School and High School
Osaka Prefecture
Osaka Seikei Girls' High School
Osaka Jogakuin Junior and Senior High School
Osaka Shin-Ai Jogakuin (Elementary through High School) Ohtani Junior and Senior High School
Saitama Prefecture
Keio Shiki Senior High School - Boys' school
Shizuoka Prefecture
Seien Girls' High School (Hamamatsu)
Tokyo Metropolis
Separate boys' and girls' schools
- Coeducational for elementary school and separate gender for junior-senior high school
Boys' schools
Azabu High School
Gyosei Junior and Senior High School
Gyosei Primary School (暁星小学校) Kaisei Academy
Musashi Junior and Senior High School
Rikkyo Ikebukuro Junior and Senior High School
St. Mary's International School
Seigakuin Junior & Senior High School
Tokyo Gakuen High School
Waseda University Junior and Senior High School
Girls' schools
Futaba Gakuen Elementary School (雙葉小学校), girls' school
(Shinjuku) - Has coeducational and girls' only sections International School of the Sacred Heart (all girls' for grades 1-12)
Joshi Seigakuin Junior & Senior High School
Joshibi High School of Art and Design
Keio Girls Senior High School
(junior and senior high school)
, affiliated with Kyoritsu Women's University
(plans to become coeducational in 2023, with the new name Shinagawa Gakugei High School (品川学藝高等学校))
, affiliated with Otsuma Women's University
St. Hilda's School () Sacred Heart School in Tokyo Seisen International School
Shirayuri Joshi Gakuen Elementary School (白百合学園小学校), girls' school, affiliated with Shirayuri Women's University , affiliated with Shirayuri Women's University Shoei Girls' Junior and Senior High School Showa Women's University Junior-Senior High School
(junior and senior high school) , affiliated with Wayo Women's University
Former single gender schools
Boys'
Hachioji Academy (became coeducational in 1947)
Girls'
Aoyama Gakuin Yokohama Eiwa High School (was a girls' school until 2018) Jiyu Gakuen Girls' School (Tokyo) Ono Gakuen Girls' Junior High and Senior High School (小野学園女子中学・高等学校), now Osaka Girls' Senior High School, became coeducational and is now Abeno Shogaku High School Sagano Girls' High School, became coeducational in 1950 as Sagano High School