| School | Roll number | County | Total (latest year) | Latest average class size | Largest class | Classes 30+ |
|---|---|---|---|---|---|---|
| ST MACARTANS CENTRAL | 19686S | Donegal | 276 | 23.00 | 33 | 1 |
| SN AN BR M O CLEIRIGH | 17268N | Donegal | 211 | 26.38 | 28 | 0 |
| HOLY FAMILY NATIONAL SCHOOL | 20150H | Donegal | 193 | 25.86 | 36 | 2 |
| SCOIL NAOMH EARNAN | 19310T | Donegal | 94 | 23.50 | 27 | 0 |
| SCOIL NAOMH CHAITRIONA | 17945G | Donegal | 77 | 19.25 | 23 | 0 |
| ROBERTSON N S | 13872I | Donegal | 67 | 22.33 | 25 | 0 |
| SCOIL MHUIRE | 17837D | Donegal | 54 | 18.00 | 22 | 0 |
| ROCKFIELD N S | 09009Q | Donegal | 49 | 16.33 | 18 | 0 |
| KILBARRON N S | 10595Q | Donegal | 44 | 14.67 | 18 | 0 |
| GAELSCOIL EIRNE | 20167B | Donegal | 29 | 14.50 | 18 | 0 |