single-sex education
Refers to schools or classes where boys and girls are educated separately. Often contrasted with 共学 (coeducation).
Antonyms: 共学
There are still several single-sex high schools in this area.
coeducation; mixed-sex education
single-sex education; gender-segregated schooling
Compound of 別 (separate) and 学 (learning/education), literally 'separate education'.