| School | Address | Town | County | |
|---|---|---|---|---|
| Ysgol Gynradd Abererch | Abererch | Gwynedd | Select | |
| Ysgol Gynradd Abersoch | Pwllheli | Gwynedd | Select | |
| Ysgol Gynradd Aberteifi | Stryd Napier | Aberbeifi | Ceredigion | Select |
| Ysgol Gynradd Amlwch | Amlwch | Ynys Mon | Select | |
| Ysgol Gynradd Bancffosfelen | Heol Bancffosfelen | Caerfyrddin | Select | |
| Ysgol Gynradd Beaumaris | Maeshyfryd | Beaumaris | Select | |
| Ysgol Gynradd Beddgelert | Beddgelert | Gwynedd | Select | |
| Ysgol Gynradd Bethel | Caernarfon | Gwynedd | Select | |
| Ysgol Gynradd Blaenau | Blaenau | Caerfyrddin | Select | |
| Ysgol Gynradd Bodedern | Bodedern | Caergybi | Select |