| School | Address | Town | County | |
|---|---|---|---|---|
| Ysgol yr Eglwys yng Nghymru Penrhyn Dewi | St. Davids | Hwlffordd | Pembrokeshire (Sir Benfro) | Select |
| Ysgol Yr Eifl | Trefor | Gwynedd | Select | |
| Ysgol Yr Esgob | Lon-Yr-Ysgol | Flintshire | Select | |
| Ysgol Yr Hafod | Bangor Road | Johnstown | Wrexham (Wrecsam) | Select |
| Ysgol Yr Hendre | Caernarfon | Gwynedd | Select | |
| Ysgol Ysbyty Ifan | Ysbyty Ifan | Conwy | Select | |
| Ysgol-Y-Graig Primary School | Cefn Coed | Merthyr Tydfil | Select | |
| Ysgol-Y-Grango | Vinegar Hill | Wrexham | Select | |
| Ysgol-Y-Wern | Llangrannog Road | Cardiff | Select | |
| Ystrad Mynach Primary | Lewis Street | Hengoed | Select |