St Richard Gwyn Catholic High School is a Catholic co-educational voluntary aided secondary school situated on Albert Avenue in Flint, Flintshire, United Kingdom.

It draws its pupils and students from the Roman Catholic parishes of Flint, Holywell, Queensferry, Mold, Saltney, Buckley, Connah's Quay, Hawarden and Pantasaph.

To mark the feast day of St Richard Gwyn on 17 October the whole school has a Mass, preceded by themed lessons as part of a 'focus week'.

Multiple problems were raised in the report including that performance from 2012–2016 at GCSE level had been "poor" with leadership at the school also being criticised.

The monitoring report stated, "The school is judged to have made sufficient progress in relation to the recommendations following the core inspection in May 2016.