| School | Roll number | County | Total (latest year) | Latest average class size | Largest class | Classes 30+ |
|---|---|---|---|---|---|---|
| AGHARDS N S | 19794V | Kildare | 660 | 26.40 | 28 | 0 |
| PRESENTATION GIRLS PRIMARY SCHOOL | 00779U | Kildare | 621 | 23.65 | 28 | 0 |
| ST BRIGIDS N S | 19675N | Kildare | 598 | 22.31 | 26 | 0 |
| MAYNOOTH B N S | 17341U | Kildare | 595 | 24.29 | 27 | 0 |
| SCOIL PHADRAIG NAOFA | 16705E | Kildare | 592 | 22.08 | 28 | 0 |
| SCOIL MHICHIL NAOFA | 18288B | Kildare | 496 | 18.54 | 22 | 0 |
| SCOIL UI FHIAICH | 20058T | Kildare | 459 | 24.16 | 30 | 2 |
| Scoil na Mainistreach | 18551N | Kildare | 455 | 23.32 | 28 | 0 |
| STRAFFAN N S | 18644U | Kildare | 401 | 24.69 | 29 | 0 |
| SCOIL C.UI DHALAIGH | 19680G | Kildare | 376 | 23.12 | 30 | 2 |
| Scoil Naomh Padraig | 20257C | Kildare | 374 | 23.38 | 28 | 0 |
| CASTLEDERMOT NS MXD | 19786W | Kildare | 344 | 23.71 | 29 | 0 |
| S N RATH MOR | 01821V | Kildare | 308 | 23.69 | 30 | 1 |
| SAN CARLO SENIOR N S | 19875V | Kildare | 301 | 24.42 | 28 | 0 |
| SCOIL BHRIDE | 19407L | Kildare | 295 | 24.08 | 28 | 0 |
| Scoil Mhuire | 19459H | Kildare | 289 | 25.18 | 31 | 3 |
| SAN CARLO JUNIOR NS | 19653D | Kildare | 265 | 23.18 | 27 | 0 |
| SCOIL EOIN PHOIL | 19684O | Kildare | 264 | 22.91 | 32 | 1 |
| ST LAURENCES N S | 09414C | Kildare | 259 | 22.45 | 31 | 1 |
| SCOIL NAOMH BRID | 16566Q | Kildare | 240 | 23.00 | 27 | 0 |
| S N MHUIRE | 18055B | Kildare | 216 | 23.33 | 29 | 0 |
| S N IDE | 17650K | Kildare | 139 | 21.17 | 24 | 0 |
| S N COLMCILL NAOFA | 17787O | Kildare | 129 | 21.50 | 29 | 0 |
| KILBERRY N S | 13165G | Kildare | 84 | 21.00 | 24 | 0 |
| CHURCHTOWN N S | 07790U | Kildare | 55 | 18.33 | 21 | 0 |
| S N NAOMH IOSEPH | 18378C | Kildare | 51 | 13.00 | 15 | 0 |
| S N CILL CAE | 17714K | Kildare | 49 | 16.33 | 20 | 0 |
| S N NAOMH LORCAIN | 18063A | Kildare | 34 | 11.33 | 16 | 0 |
| BALLYROE CENTRAL N S | 19425N | Kildare | 18 | 9.00 | 11 | 0 |