Highsted Grammar School is a state-funded selective secondary school (grammar school

Grammar school

A grammar school is one of several different types of school in the history of education in the United Kingdom and some other English-speaking countries, originally a school teaching classical languages but more recently an academically-oriented secondary school.The original purpose of mediaeval...

) for girls in Sittingbourne

Sittingbourne

Sittingbourne is an industrial town about eight miles east of Gillingham in England, beside the Roman Watling Street off a creek in the Swale, a channel separating the Isle of Sheppey from mainland Kent...

, Kent

Kent

Kent is a county in southeast England, and is one of the home counties. It borders East Sussex, Surrey and Greater London and has a defined boundary with Essex in the middle of the Thames Estuary. The ceremonial county boundaries of Kent include the shire county of Kent and the unitary borough of...

.

The school was established in 1904 in Brenchley House on the High Street as Sittingbourne County School for Girls.
At an Ofsted

Ofsted

The Office for Standards in Education, Children's Services and Skills is the non-ministerial government department of Her Majesty's Chief Inspector of Schools In England ....

inspection in February 2009, the school was rated 1 (outstanding) in all categories.

In early 2010, Highsted applied to be converted to Academy status, and was granted this in early 2011.