GKT School of Medical Education is the medical school of King's College London. The school has campuses at three institutions, Guy's Hospital (Southwark), King's College Hospital and St Thomas' Hospital (Lambeth) in London – with the initial of each hospital making up the acronymous name of the school. The school in its current guise was formed following a merger with the United Medical and Dental Schools of Guy's and St Thomas' Hospitals on 1 August 1998. As of 2023, the medical school is ranked 5th best in the UK for clinical medicine by U.S. News & World Report, and 10th best worldwide by Times Higher Education.

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.