Bangor Grammar School (The Grammar or B.G.S.), is an all-boys, voluntary grammar school situated in Bangor, County Down, Northern Ireland. It was founded in 1856 by the Conservative politician and Bangor man, Col The Hon. Robert Ward PC MP(Ireland) who lived at Castle Ward. The school, until June 2011, comprised two parts, Connor House, a preparatory school for pupils aged 4–11 and a secondary school for pupils aged 12–18. Connor House closed at the end of the 2011–12 academic year.