| School | Roll number | County | Total (latest year) | Latest average class size | Largest class | Classes 30+ |
|---|---|---|---|---|---|---|
| ST. JOSEPHS N. S. | 20089H | Mayo | 451 | 24.33 | 30 | 4 |
| SN na hAille | 12350T | Mayo | 140 | 23.33 | 33 | 1 |
| ROBEEN CENTRAL N S | 19394F | Mayo | 127 | 25.40 | 36 | 1 |
| ST PATRICKS CENTRAL NS | 19911W | Mayo | 117 | 22.40 | 26 | 0 |
| SCOIL CHOMAIN NAOFA | 17082W | Mayo | 82 | 20.50 | 27 | 0 |
| S N CHLUAIN LUIFIN | 18922W | Mayo | 75 | 18.75 | 24 | 0 |
| S N GORT SCEICHE | 18880J | Mayo | 75 | 18.75 | 23 | 0 |
| S N NAOMH FEICHIN | 07075T | Mayo | 47 | 15.67 | 18 | 0 |
| S N CEATHRU AN CHLOCHAR | 12816Q | Mayo | 35 | 17.50 | 18 | 0 |