| School | Roll number | County | Total (latest year) | Latest average class size | Largest class | Classes 30+ |
|---|---|---|---|---|---|---|
| SCOIL CHOLMAIN NAOFA | 19650U | Westmeath | 445 | 24.72 | 30 | 1 |
| Holy Family Primary School | 17327D | Westmeath | 439 | 26.81 | 30 | 3 |
| Scoil na mBraithre | 18381O | Westmeath | 409 | 24.44 | 31 | 1 |
| Mullingar Educate Together NS | 20188J | Westmeath | 381 | 17.60 | 23 | 0 |
| Scoil na Maighdine Mhuire | 18212O | Westmeath | 307 | 25.08 | 28 | 0 |
| PRESENTATION CONVENT (JNR) | 00934G | Westmeath | 277 | 18.86 | 22 | 0 |
| ST. COLMCILLE'S N.S. | 16838A | Westmeath | 239 | 25.56 | 31 | 2 |
| KILPATRICK NS | 19607T | Westmeath | 224 | 24.89 | 30 | 1 |
| S N CHRUIMIN NAOFA | 19350I | Westmeath | 222 | 24.67 | 31 | 2 |
| LOCH AN GHAIR N S | 18812P | Westmeath | 208 | 26.00 | 31 | 2 |
| GAELSCOIL AN MHUILINN | 20002P | Westmeath | 179 | 25.57 | 30 | 2 |
| S N na nDun | 17025K | Westmeath | 159 | 26.50 | 31 | 2 |
| Gaelscoil An Choillín | 20238V | Westmeath | 154 | 23.67 | 30 | 1 |
| ODHRAN NAOFA N S | 17932U | Westmeath | 95 | 23.75 | 24 | 0 |
| SCOIL PHADRAIG | 19008U | Westmeath | 88 | 22.00 | 25 | 0 |
| S N na Naomh Uile | 18744B | Westmeath | 86 | 21.50 | 32 | 1 |
| SCOIL MHUIRE | 18533L | Westmeath | 83 | 19.25 | 24 | 0 |
| RATH EOGHAN N S | 17189R | Westmeath | 62 | 16.67 | 24 | 0 |
| LOCHAN AN BHEALAIGH N S | 18262G | Westmeath | 57 | 19.00 | 25 | 0 |
| BALLYNACARGY MIXED N S | 01731U | Westmeath | 55 | 18.33 | 19 | 0 |
| DYSART NS | 17290G | Westmeath | 24 | 12.00 | 15 | 0 |
| NAOMH TOMAS N S | 18591C | Westmeath | 16 | 8.00 | 10 | 0 |