Colleges of the University of Cambridge ones admit both male and female students as both undergraduates and postgraduates, without any age restrictions. Eight colleges restrict entry by sex, or by age of undergraduates, or admit only postgraduates: No colleges are all-male, although most originally were. Darwin, founded in 1964, was the first mixed college, while in 1972 Churchill, Clare and King's colleges were the first previously all-male colleges to admit women. The last all-male college to become mixed was Magdalene, in 1988. In 1973 Hughes Hall became the first all-female college to admit men, and Girton admitted men in 1976. Lucy Cavendish also places restrictions on
Cambridge University Students' Union as the University of Cambridge Graduate Union, specifically for graduate student affairs. CUSU was founded as the Cambridge Students' Union (CSU) in 1971 to represent all higher education students studying in Cambridge, that is students attending the University of Cambridge plus undergraduates at CCAT (the then Cambridgeshire College of Arts and Technology, which in 1993 became Anglia Ruskin University, Cambridge). CSU also represented students at Homerton College, then a separate teacher training college in the city. CSU during its early years from 1971 to 1974 received support from CCAT Students' Union as CCATSU was from the 1960s the only large