From Longman Dictionary of Contemporary Englishcoeducationco‧ed‧u‧ca‧tion /ˌkəʊedjəˈkeɪʃən $ ˌkoʊedʒə-/ noun [uncountable] SESEX/GENDERa system in which students of both sexes are educated together —coeducational adjective
Examples from the Corpus
coeducation• In that context, 22-year-old Faulkner said the shaky start to coeducation at the Citadel was little wonder.• The tensions also affect the men who remain in school and prevail under coeducation. 