| John Summers High School | |
| Address: | Chester Road West |
| Town: | Queensferry |
| County: | Flintshire |
| Postcode: | CH5 1SE |
| Country: | Wales |
| Other Names: | --> |
| Former Name: | Deeside High School |
| Type: | Comprehensive secondary school |
| Founders: | --> |
| Local Authority: | Flintshire County Council |
| Urn: | 401706 |
| Headteacher: | Paula Stanford |
| Gender: | Mixed |
| Age Range: | 11–18 |
| Medium Of Language: | English |
| Accreditations: | --> |
| Affiliations: | --> |
| Website: | (inactive) |
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.[1]
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Consortium, a group of three local high schools and the nearby sixth form college although Deeside College has now withdrawn from this consortium.