| School | Roll number | County | Total (latest year) |
|---|---|---|---|
| Castlebar Primary School | 20562H | Mayo | 849 |
| BREAFFY N S | 13781F | Mayo | 386 |
| ST PETERS NS | 19916J | Mayo | 281 |
| GAELSCOIL RAIFTEIRÍ | 19832D | Mayo | 221 |
| BALLYVARY CENTRAL N S | 19402B | Mayo | 204 |
| Castlebar Educate Together National School | 20457K | Mayo | 128 |
| ST JOSEPHS N S | 13152U | Mayo | 113 |
| BALLINTUBBER N S | 07374G | Mayo | 106 |
| SN Beal Atha na hEin | 13444K | Mayo | 91 |
| St Paul's National School | 17562N | Mayo | 87 |
| S N B CURNANOOL | 14497N | Mayo | 65 |
| S N an Teaghlaigh | 18562S | Mayo | 49 |
| CRIMLIN N S | 15967G | Mayo | 27 |
| S N NAOMH BRID C | 18503C | Mayo | 27 |
| S N AN COILL MHOR | 17321O | Mayo | 22 |