Schools
| Name | Category | Notes |
|---|---|---|
| Ynyshir School, Rhondda | Unknown | |
| Yorkshire College | FE College | |
| Ysgol David Hughes, Menai Bridge, Anglessey | Comprehensive | |
| Ysgol Dyffryn Nantlle | Unknown | |
| Ysgol Gyfun Maes yr Yrfa | Comprehensive | |
| Ysgol Gymraeg Rhydaman | Primary | |
| Ysgol Syr Hugh Owen, Caernarfon | Comprehensive | |
| Ystrad Mynach College | FE College |