City of London School, or CLS for short, is an independent boys' school located on the banks of the River Thames, at the edge of the City of London in London, United Kingdom. It is the sister school of the City of London School for Girls, an independent girls' school somewhat further within the Barbican complex. Intake is from age 7 to 18, though many of its pupils enter at 11, and similarly join other independent schools for the sixth form (17-18).
Former pupils include chess] GrandMaster Luke McShane and Harry Potter actor Daniel Radcliffe.