The Perse School is a private school in Cambridge, England. Founded in 1615 by Stephen Perse, its motto is Qui facit per alium facit per se, taken to mean 'He who does things for others does them for himself'. The Perse School took girls for Sixth form only from 1994, began accepting girls at 11 and 13+ in September 2010 and was fully co-educational by September 2012. 'Perse' is a member of the Headmasters' and Headmistresses' Conference, an association of UK independent schools.