Cheltenham College was used to film the majority of the school scenes in the 1968 British film If...., starring Malcolm McDowell, although an agreement between the school's then Headmaster, David Ashcroft, and the film's director, Lindsay Anderson (who was a former pupil and Senior Prefect), prevented the filmmakers from crediting the school. Additional interior scenes were filmed at Aldenham School in Hertfordshire, which gained sole accreditation in the film's closing credit. Two Surrey independent schools, Charterhouse School and Cranleigh School, had also negotiated to appear, but pulled out of negotiations once the subject matter of the film became clear.
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