Thomas's London Day Schools are four private preparatory schools in London, UK. They are located in Kensington, Battersea, Clapham and Fulham, as well as a kindergarten in Battersea. They are a family-run establishment, and have come to be seen as a feeder for major British public schools such as Harrow, Eton, Marlborough, City of London, Radley, King's College School, and Westminster.