| School | Roll number | County | Total (latest year) | Latest average class size | Largest class | Classes 30+ |
|---|---|---|---|---|---|---|
| NAOMH OLIVER PLUNKETT | 19469K | Monaghan | 255 | 25.22 | 34 | 1 |
| LATTON | 19434O | Monaghan | 161 | 26.83 | 30 | 1 |
| SCOIL MHUIRE | 10429W | Monaghan | 76 | 19.00 | 23 | 0 |
| ROCKCORRY N S | 06028F | Monaghan | 34 | 17.00 | 22 | 0 |
| DRUMCORRIN N S | 19703P | Monaghan | 20 | 10.00 | 11 | 0 |