John Summers High School (formerly Deeside High School) was an 11–18 mixed, English-medium, secondary school and sixth form in Queensferry, Flintshire, Wales. It closed on 20 July 2017. Its sixth form education was provided through the Deeside Consortium, a group of three local high schools and the nearby sixth form college although Deeside College has now withdrawn from this consortium. References External links (inactive) Secondary schools in Flintshire Educational institutions disestablished in 2017 2017 disestablishments in Wales