The Royal Latin School (RLS) is a co-educational grammar school in Buckingham, England, with one of the most distinguished histories as a grammar school in the country. It has continually existed for almost six hundred years; receiving a Royal Charter in this time and moving premises three times. In September 2011 the school became an academy. It takes children from the age of 11 through to the age of 18 and has over 1260 pupils, including a sixth form of 390 pupils.