A working-class boy wins a scholarship to a public school, as part of a post-World War Two experiment in bringing boys of different social classes together.
The Guinea Pig (U.S. title The Outsider) is a 1948 British film directed by Roy Boulting and starring Richard Attenborough, Sheila Sim and Bernard Miles. The screenplay was by Warren Chetham-Strode and Bernard Miles, in association with Boulting, adapted from the 1946 play of the same name by Chetham-Strode. It was produced by John Boulting.