St Dunstan's College is a co-educational private day school in Catford, south-east London, England. It is a registered charity, and a member of the Headmasters' and Headmistresses' Conference and the Independent Association of Prep School Heads. The college is made up of a junior school for 3-10 year olds, a senior school for 11-16 year olds and a sixth form for 16-18 year olds.