Aylesbury Grammar School is a single-sex male (admitting) grammar school in Aylesbury situated in the English county of Buckinghamshire, which educates approximately 1,250 pupils. Founded, 1598 in Aylesbury, Buckinghamshire by Sir Henry Lee, Aylesbury Grammar School celebrated 100 years on the current site in Walton Road in 2007. It is commonly referred to by its students, staff and others in the local area by the abbreviation AGS.Aylesbury Grammar School was founded in 1598 by Sir Henry Lee, the Champion of Queen Elizabeth I. It developed as a Grammar School in the centre of Aylesbury Old Town adjacent to St. Mary's Church until 1907, when it moved to its present site. For many years the school was independent and its intake was co-educational. In 1952 it became voluntary controlled and i