C

　　Cambridge Academy of English

　　Cambridge Centre for English Studies

　　Cambridge Centre for Languages, Young Learners

　　Cambridge Language and Activity Courses

　　The Cambridge School of English

　　Cambridge School of Languages

　　Camden College of English

　　Canterbury Christ Church University College

　　Canterbury Language Training

　　Carl Duisberg Language Centre

　　Central School of English

　　Centre for English Language Teaching (CELT)

　　Channel School of English

　　Cheltenham School of English

　　Chichester College of Arts, Science and Technology

　　Christian English Language Centre

　　Churchill House English Home Tuition Courses

　　Churchill House School of English Language

　　Cicero Languages International

　　City College Brighton & Hove

　　City College Coventry

　　City College Manchester

　　City of Bath College

　　City of Bristol College

　　The Clock Tower English Language Centre

　　Colchester English Study Centre

　　Colchester Institute

　　Coleg Glan Hafren

　　College of North West London

　　College of St.Mark and St.John

　　Concord College

　　Concorde International

　　Concorde International Summer Schools

　　Crawley College

　　Crest Schools of English