The Combined Cadet Force (CCF) is a Ministry of Defence sponsored youth organisation in the United Kingdom. Prior to 1948 cadet forces in schools existed as part of the Officers’ Training Corps framework, but in 1948 the Government founded the Combined Cadet Force as a separate entity on the grounds that the previous name was deemed elitist.
The CCF was created on 1 April 1948 by the amalgamation of the Junior Training Corps (formerly the Junior Division of the Officers Training Corps) and the school contingents of the Sea Cadet Corps and Air Training Corps. CCFs are still often referred to as "the Corps".
The first school cadet corps was established at Rossall School in 1859 purely as an army contingent. Other corps were formed at several other public schools within months including Eton College. Today, unit contingents exist in UK independent schools, some grammar schools and a handful of comprehensive schools.
In 2001 there were 40,509 cadets in 565 schools.
The CCF is distinct from the Sea Cadet Corps, Army Cadet Force, and Air Training Corps.