Postcode area: SY20
| Name | Town | Postcode | Type | |
|---|---|---|---|---|
| Machynlleth C.P. School | SY20 8HE | Not applicable | View | |
| Ysgol Bro Ddyfi | SY20 8DR | Not applicable | View | |
| Ysgol Bro Hyddgen | Machynlleth | SY20 8DR | Not applicable | View |
| Ysgol Dinas Mawddwy | Gwynedd | SY20 9LN | Not applicable | View |
| Ysgol Glantwymyn | Powys | SY20 8LX | Not applicable | View |
| Ysgol Gynradd Dyffryn Dulas | Powys | SY20 9TQ | Not applicable | View |
| Ysgol Gynradd Pennal | Gwynedd | SY20 9JT | Not applicable | View |
| Ysgol Llangynfelyn | SY20 8JG | Not applicable | View |