| School | Roll number | County | Total (latest year) | Latest average class size | Largest class | Classes 30+ |
|---|---|---|---|---|---|---|
| Trinity Primary School | 20547L | Galway | 781 | 19.97 | 25 | 0 |
| GAELSCOIL IARFHLATHA | 20061I | Galway | 223 | 24.78 | 31 | 3 |
| S N an Croi Ro Naofa | 18021H | Galway | 208 | 24.62 | 29 | 0 |
| Ceathru na nGarrdhanta | 17631G | Galway | 203 | 25.38 | 29 | 0 |
| ST COLMANS MXD N S | 19276W | Galway | 202 | 25.25 | 29 | 0 |
| Tuam Educate Together National School | 20456I | Galway | 195 | 24.38 | 27 | 0 |
| BALLINDERRY N S | 16410I | Galway | 191 | 23.88 | 36 | 2 |
| Newtown NS | 20280U | Galway | 172 | 24.57 | 31 | 1 |
| S N CATHAIR GEAL | 17807R | Galway | 124 | 24.80 | 33 | 1 |
| SN BAILE AN MHUILINN | 18460K | Galway | 99 | 19.80 | 27 | 0 |
| KILCONLY N S | 15475I | Galway | 90 | 22.50 | 25 | 0 |
| S N AN TSAILEAIN | 06489S | Galway | 90 | 22.50 | 28 | 0 |
| BARNADERG CENTRAL SCH | 19275U | Galway | 77 | 19.25 | 23 | 0 |
| S N COR AN DROMA | 15796F | Galway | 73 | 22.33 | 25 | 0 |
| S N AN LEATH BHAILE | 17197Q | Galway | 69 | 23.00 | 28 | 0 |
| SN Ceathru na Laithigh | 12138V | Galway | 54 | 18.00 | 25 | 0 |
| SCOIL NAOMH IOSEF | 18289D | Galway | 51 | 17.00 | 22 | 0 |
| ST BRENDANS N S | 20040A | Galway | 39 | 19.50 | 21 | 0 |
| S N BHEANAIN | 18636V | Galway | 31 | 15.50 | 17 | 0 |