| School | Roll number | County | Total (latest year) |
|---|---|---|---|
| SCOIL CHOILMCILLE | 18625Q | Donegal | 661 |
| SCOIL NAOMH FIACHRA | 12077E | Donegal | 514 |
| S N MUIRE GAN SMAL | 18052S | Donegal | 479 |
| S N Talamh na Coille | 17728V | Donegal | 476 |
| ST PATRICKS N S | 16672P | Donegal | 426 |
| Letterkenny Educate Together NS | 20235P | Donegal | 421 |
| GAELSCOIL ADHAMHNAIN | 19971R | Donegal | 406 |
| GLENSWILLY N S | 19313C | Donegal | 264 |
| S N NAOMH COLMCHILLE | 17036P | Donegal | 228 |
| S N BAILE RAIGHIN | 19411C | Donegal | 222 |
| Scoil Cholmcille | 16820E | Donegal | 210 |
| SCOIL CHOLMCILLE | 14194S | Donegal | 139 |
| SCOIL NAOMH PROINNSEAS | 17729A | Donegal | 117 |
| MOYLE N S | 19633U | Donegal | 80 |
| S N NAOMH COLMCHILLE | 16995Q | Donegal | 80 |
| Scoil an tStratha Mhóir | 15208I | Donegal | 70 |
| RAY N S | 14941G | Donegal | 60 |
| S N TRIANTA | 18319J | Donegal | 36 |
| CASHELSHANAGHAN N S | 15170J | Donegal | 31 |
| SCOIL NAOMH SEOSAMH | 18058H | Donegal | 25 |
| GARTAN N S | 13755E | Donegal | 20 |