The Grange School is a co-educational secondary school in Aylesbury, Buckinghamshire, England. It is a foundation school, which takes children from the age of 11 through to the age of 18. The school has approximately 1250 pupils. In 1959 the school was visited by the Duchess of Kent in celebration of the 10th anniversary of Mother's Clubs in Buckinghamshire. The school is also notable as the location where the jury retired to consider their verdict in the Great Train Robbery case in 1963. Specifically the jury used the room that is now the main office of the youth centre on the school site.