co-education

US /ˌkoʊ.edʒ.əˈkeɪ.ʃən/
UK /ˌkoʊ.edʒ.əˈkeɪ.ʃən/
"co-education" picture
1.

the education of students of both sexes together

:
The school transitioned to co-education last year.
Many universities practice co-education.