King's College London (informally King's or KCL) 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 (in 1985), the Institute of Psychiatry (in 1997), the United Medical and Dental Schools of Guy's and St Thomas' Hospitals and the Florence Nightingale School of Nursing and Midwifery (in 1998).

King's has five campuses: its historic Strand Campus in central London, three other Thames-side campuses (Guy's, St Thomas' and Waterloo) nearby and one in Denmark Hill in south London. It also has a presence in Shrivenham, Oxfordshire, for its professional military education, and another in Newquay, Cornwall, where its information service centre is based.

King's College London is one of the top 25 universities in the world (2016-2017 QS World University Rankings) and among the oldest in England. King's has more than 27,600 students (including nearly 10,500 postgraduates) from some 150 countries worldwide, and some 6,800 staff. It is the 12th largest university in the United Kingdom by total enrolment. Its academic activities are organised into nine faculties, which are subdivided into numerous departments, centres, and research divisions.

King's has an outstanding reputation for world-class teaching and cutting-edge research. In the 2014 Research Excellence Framework (REF) King’s was ranked 6th nationally in the ‘power’ ranking, which takes into account both the quality and quantity of research activity, and 7th for quality according to Times Higher Education rankings. Eighty-four per cent of research at King’s was deemed ‘world-leading’ or ‘internationally excellent’ (3* and 4*). In 2020-2021, King's had a total income of £1 billion, of which £188.0 million was from research grants and contracts. It has the fourth largest endowment of any university in the United Kingdom, and the largest of any in London.

King's alumni and staff include 14 Nobel laureates; contributors to the discovery of DNA structure, Hepatitis C, the Hepatitis D genome, and the Higgs boson; pioneers of in-vitro fertilisation, stem cell/mammal cloning and the modern hospice movement; and key researchers advancing radar, radio, television and mobile phones. Alumni also include heads of states, governments and intergovernmental organisations; nineteen members of the current House of Commons and seventeen members of the current House of Lords; and the recipients of three Oscars, three Grammys and one Emmy.

According to Wikipedia