| School | Address | Town | County | |
|---|---|---|---|---|
| Ysgol Penrhyncoch | Penrhyncoch | Ceredigion | Select | |
| Ysgol Pentrefoelas | Pentrefoelas | Conwy | Select | |
| Ysgol Pentreuchaf | Pentreuchaf | Gwynedd | Select | |
| Ysgol Penyffordd | Penmynydd Road | Near Chester | Flintshire (Sir y Fflint) | Select |
| Ysgol Plas Brondyffryn | Park Street | Denbigh | Select | |
| Ysgol Plas Coch | Ffordd Stansty | Wrexham | Select | |
| Ysgol Plascrug | Plascrug Avenue | Ceredigion | Select | |
| Ysgol Pont Y Gof | Botwnnog | Gwynedd | Select | |
| Ysgol Pontrhydfendigaid | Pontrhydfendigaid | Ceredigion | Select | |
| Ysgol Pontrobert | Meifod | Powys | Select |