| School | Roll number | County | Total (latest year) | Latest average class size | Largest class | Classes 30+ |
|---|---|---|---|---|---|---|
| Scoil Bhríde Primary School | 20267F | Offaly | 480 | 21.10 | 27 | 0 |
| EDENDERRY CONVENT N S | 16013V | Offaly | 429 | 24.53 | 28 | 0 |
| SHINCHILL N S | 17031F | Offaly | 286 | 22.83 | 30 | 2 |
| DAINGEAN N S | 16620T | Offaly | 261 | 22.64 | 30 | 2 |
| S N SHEOSAIMH NAOFA | 17637S | Offaly | 193 | 22.62 | 29 | 0 |
| St Patrick's National School | 18364O | Offaly | 192 | 19.20 | 29 | 0 |
| GEASHILL 1 N S | 09191I | Offaly | 126 | 18.67 | 27 | 0 |
| S N MHUIRE | 18115Q | Offaly | 124 | 23.60 | 30 | 2 |
| S N PHADRAIG | 18328K | Offaly | 124 | 24.80 | 32 | 1 |
| ST COLMANS N S | 19354Q | Offaly | 97 | 24.25 | 28 | 0 |
| S N MHUIRE NAOFA | 18335H | Offaly | 91 | 18.20 | 26 | 0 |
| CLONBULLOGUE N S | 15325M | Offaly | 84 | 21.00 | 28 | 0 |
| NAOMH MHUIRE N S | 17616K | Offaly | 83 | 19.25 | 25 | 0 |
| CLONAGHADOO N S | 16160L | Offaly | 81 | 17.25 | 23 | 0 |
| S N NAOMH BROGAIN | 15983E | Offaly | 72 | 16.75 | 19 | 0 |
| SCOIL BHRIDE | 18690E | Offaly | 70 | 17.50 | 26 | 0 |
| CLONEYHURKE N S | 15923J | Offaly | 18 | 9.00 | 12 | 0 |