| School | Roll number | County | Total (latest year) | Latest average class size | Largest class | Classes 30+ |
|---|---|---|---|---|---|---|
| Bunscoil na mBraithre | 16677C | Clare | 643 | 26.29 | 29 | 0 |
| ENNIS N S | 15042A | Clare | 615 | 23.80 | 28 | 0 |
| GAEL SC MHICHIL CHIOSOG | 19838P | Clare | 451 | 23.42 | 31 | 1 |
| BAREFIELD MIXED N S | 14830U | Clare | 390 | 24.06 | 28 | 0 |
| CLARECASTLE NATIONAL SCHOOL | 17026M | Clare | 362 | 23.73 | 32 | 1 |
| Scoil na Mainistreach Quin Dangan | 20476O | Clare | 330 | 24.46 | 32 | 4 |
| HOLY FAMILY SNR | 07315N | Clare | 306 | 20.79 | 24 | 0 |
| S N CNOC AN EIN | 17583V | Clare | 262 | 23.82 | 34 | 3 |
| CHRIOST RI | 19559L | Clare | 226 | 18.33 | 24 | 0 |
| BALLYEA MIXED N S | 13418J | Clare | 212 | 23.56 | 31 | 1 |
| HOLY FAMILY JUNIOR SCHOOL | 17957N | Clare | 167 | 14.09 | 18 | 0 |
| LISSYCASEY N S | 18555V | Clare | 167 | 22.14 | 32 | 1 |
| INCHICRONAN CENTRAL NS | 19551S | Clare | 158 | 26.33 | 30 | 1 |
| EIDHNEACH N S | 14622N | Clare | 150 | 23.00 | 27 | 0 |
| Ennis Educate Together NS | 20086B | Clare | 144 | 22.00 | 24 | 0 |
| S N DUBH RATH | 18696Q | Clare | 113 | 25.25 | 28 | 0 |
| INCH N S | 16186G | Clare | 104 | 26.00 | 32 | 1 |
| SCOIL MHUIRE NAISIUNTA | 18227E | Clare | 102 | 25.50 | 28 | 0 |
| KILMALEY N S | 14468G | Clare | 88 | 22.00 | 26 | 0 |
| KILNAMONA N S | 13625O | Clare | 85 | 21.25 | 28 | 0 |
| RUAN CENTRAL NS | 19442N | Clare | 75 | 18.75 | 24 | 0 |
| TOONAGH N S | 03898U | Clare | 75 | 18.75 | 23 | 0 |
| CLOONEY N S | 15279I | Clare | 48 | 16.00 | 20 | 0 |
| CONNOLLY N S | 15408Q | Clare | 27 | 13.50 | 15 | 0 |
| S N Chathair Aodha | 18541K | Clare | 27 | 13.50 | 19 | 0 |