Castell Alun High School
Secondary schoolCastell Alun High School is a secondary school in Flintshire. It had 1,283 pupils at the school census in January 2026.
Schools in Wales are inspected by Estyn, which has given no summative grades since September 2022. The Welsh Government publishes no open file of school results, so none are shown.
Schools nearby
In a straight line- Ysgol Estyn Community SchoolPrimary. Ofsted inspects schools in England only510 m
- Ysgol Tan y GaerIndependent. Ofsted inspects schools in England only940 m
- Oaklea Grange SchoolIndependent. Ofsted inspects schools in England only990 m
- Abermorddu CP SchoolPrimary. Ofsted inspects schools in England only1.9 km
Admissions and catchments are set by councils and schools, which Open Index doesn’t map. Every school in Flintshire
Where these figures come from
- Schools: the school lists of the Department for Education, the Welsh Government and the Scottish Government, with Ofsted’s latest inspections for England.