| School | Address | Town | County | |
|---|---|---|---|---|
| Ysgol G.G. Caerffili | Pontygwindy Road | Caerffili | Select | |
| Ysgol G.G. Castellau | Ffordd Castellau | Rhondda, Cynon, Taff | Select | |
| Ysgol G.G. Evan James | Ffordd Y Rhondda | Rhondda, Cynon, Taff | Select | |
| Ysgol G.G. Tonyrefail | School Street | Rhondda, Cynon, Taff | Select | |
| Ysgol G.G. Ynyswen | Clinic Road | Rhondda, Cynon, Taff | Select | |
| Ysgol Garth Olwg | St Iltyd's Road | Pontypridd | Select | |
| Ysgol Gelli Aur Golden Grove | Orange Way | Pembroke | Select | |
| Ysgol Ger y Llan V.C. School | St David's Road | Pembrokeshire | Select | |
| Ysgol Glan Aber C.P. | Boot End | Flintshire | Select | |
| Ysgol Glan Ceubal | Colwill Road | Cardiff | Cardiff (Caerdydd) | Select |