King's College School, also known as Wimbledon, KCS, King's and KCS Wimbledon, is an independent day school in Wimbledon, southwest London, England. The school was established in 1829 by King George IV, as the junior department of King's College London and had part of the school's premises in Strand, prior to relocating to Wimbledon in 1897.

King's College London is a public research university located in London, England. King's was established by royal charter in 1829 under the patronage of King George IV and the Duke of Wellington. In 1836, King's became one of the two founding colleges of the University of London. It is one of the oldest university-level institutions in England. In the late 20th century, King's grew through a series of mergers, including with Queen Elizabeth College and Chelsea College of Science and Technology, the Institute of Psychiatry, the United Medical and Dental Schools of Guy's and St Thomas' Hospitals and the Florence Nightingale School of Nursing and Midwifery.