| School | Address | Town | County | |
|---|---|---|---|---|
| Ysgol Glan Conwy | Ffordd Top Llan | Conwy | Select | |
| Ysgol Glan Gele | Ffordd Y Morfa | Conwy | Select | |
| Ysgol Glan Morfa | Ffordd Y Morfa | Conwy | Select | |
| Ysgol Glan Morfa | Lewis Road | Cardiff | Select | |
| Ysgol Glan y Mor | Ffordd Caerdydd | Gwynedd | Select | |
| Ysgol Glan-Y-Mor School | Heol Elfed | Carmarthenshire | Select | |
| Ysgol Glancegin | Maesgeirchen | Gwynedd | Select | |
| Ysgol Glannau Gwaun | Clive Road | Fishguard | Pembrokeshire (Sir Benfro) | Select |
| Ysgol Glanrafon | Lon Bryn Coch | Sir Y Fflint | Select | |
| Ysgol Glantwymyn | Cemmaes Road | Powys | Select |