The City of London School, also known as CLS and City, is an independent day school for boys in the City of London, England, on the banks of the River Thames next to the Millennium Bridge, opposite Tate Modern. It is a partner school of the City of London School for Girls and the City of London Freemen's School. All three schools receive funding from the City's Cash. It is a member of the Headmasters' and Headmistresses' Conference (HMC). It is one of the most academically selective and successful schools in the country.