| School | Roll number | County | Total (latest year) | Latest average class size | Largest class | Classes 30+ |
|---|---|---|---|---|---|---|
| SCOIL BHRIDE | 18737E | Donegal | 192 | 16.91 | 22 | 0 |
| RAPHOE CENTRAL N S | 16138S | Donegal | 185 | 26.43 | 32 | 2 |
| ST PATRICKS N S | 16054M | Donegal | 162 | 26.00 | 31 | 3 |
| SCOIL ADHAMHNAIN | 17828C | Donegal | 158 | 25.50 | 28 | 0 |
| SCOIL NÁISIÚNTA MUIRE GAN SMÁL | 18076J | Donegal | 124 | 20.67 | 33 | 1 |
| S N NAOMH BAOITHIN | 19518U | Donegal | 113 | 20.20 | 27 | 0 |
| COMHSCOIL CHONMHA S N | 05230S | Donegal | 100 | 25.00 | 33 | 1 |
| SN AN LEINBH IOSA | 17598L | Donegal | 84 | 21.00 | 23 | 0 |
| S N BAILE AN CAISLEAN | 18700E | Donegal | 66 | 22.00 | 23 | 0 |
| MONREAGH N S | 07143K | Donegal | 48 | 16.00 | 18 | 0 |
| SCOIL CUILM CILLE | 17469A | Donegal | 38 | 19.00 | 21 | 0 |
| GLENMAQUIN NO 2 N S | 09748I | Donegal | 21 | 10.50 | 12 | 0 |