| 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 |
| SIXMILEBRIDGE N S | 16908S | Clare | 423 | 22.83 | 29 | 0 |
| BAREFIELD MIXED N S | 14830U | Clare | 390 | 24.06 | 28 | 0 |
| CLARECASTLE NATIONAL SCHOOL | 17026M | Clare | 362 | 23.73 | 32 | 1 |
| ST CONAIRES NS | 19274S | Clare | 338 | 22.13 | 32 | 1 |
| Scoil na Mainistreach Quin Dangan | 20476O | Clare | 330 | 24.46 | 32 | 4 |
| CONVENT OF MERCY NATIONAL SCHOOL | 20041C | Clare | 329 | 19.81 | 24 | 0 |
| HOLY FAMILY SNR | 07315N | Clare | 306 | 20.79 | 24 | 0 |
| SCOIL SEANAIN NAOFA | 04548V | Clare | 276 | 25.09 | 33 | 1 |
| S N CNOC AN EIN | 17583V | Clare | 262 | 23.82 | 34 | 3 |
| ST AIDANS NS | 19698C | Clare | 260 | 23.18 | 33 | 2 |
| ST MOCHULLAS N.S. | 20075T | Clare | 259 | 25.30 | 34 | 3 |
| Scoil na Maighdine Mhuire | 20127M | Clare | 238 | 23.20 | 31 | 1 |
| CHRIOST RI | 19559L | Clare | 226 | 18.33 | 24 | 0 |
| NAOMH TOLA | 19552U | Clare | 218 | 25.75 | 34 | 3 |
| BALLYEA MIXED N S | 13418J | Clare | 212 | 23.56 | 31 | 1 |
| S N CLUAIN MUINGE | 18032M | Clare | 205 | 25.62 | 30 | 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 |
| SCARIFF CENTRAL N S | 19366A | Clare | 142 | 22.67 | 26 | 0 |
| Broadford & Kilbane National School | 20452A | Clare | 136 | 21.67 | 31 | 1 |
| KILKISHEN N S | 13870E | Clare | 134 | 20.50 | 26 | 0 |
| Scoil Realt na Mara | 20078C | Clare | 134 | 26.80 | 31 | 1 |
| MILTOWN MALBAY B N S | 18720K | Clare | 128 | 25.60 | 36 | 2 |
| KILDYSART N S | 15301V | Clare | 122 | 24.40 | 29 | 0 |
| S N DUBH RATH | 18696Q | Clare | 113 | 25.25 | 28 | 0 |
| SHANNON AIRPORT 1 N S | 18739I | Clare | 113 | 20.40 | 25 | 0 |
| S N BAILE AN DROICHID | 18467B | Clare | 107 | 21.40 | 30 | 1 |
| INCH N S | 16186G | Clare | 104 | 26.00 | 32 | 1 |
| KILLALOE BOYS N S | 15370R | Clare | 104 | 20.80 | 27 | 0 |
| SCOIL MHUIRE NAISIUNTA | 18227E | Clare | 102 | 25.50 | 28 | 0 |
| OGONNELLOE NATIONAL SCHOOL | 17563P | Clare | 101 | 20.20 | 31 | 1 |
| STONEHALL N S | 15350L | Clare | 101 | 23.75 | 28 | 0 |
| MERCY CONVENT KILLALOE | 18624O | Clare | 97 | 22.75 | 31 | 1 |
| KILMIHIL N.S. | 13826B | Clare | 96 | 22.50 | 26 | 0 |
| KILMALEY N S | 14468G | Clare | 88 | 22.00 | 26 | 0 |
| KILNAMONA N S | 13625O | Clare | 85 | 21.25 | 28 | 0 |
| ANNAGH N S | 15221A | Clare | 81 | 20.25 | 25 | 0 |
| KILNABOY N S | 17832Q | Clare | 80 | 20.00 | 24 | 0 |
| COORACLARE B N S | 17816S | Clare | 78 | 19.50 | 23 | 0 |
| RUAN CENTRAL NS | 19442N | Clare | 75 | 18.75 | 24 | 0 |
| TOONAGH N S | 03898U | Clare | 75 | 18.75 | 23 | 0 |
| S N INIS CEALTRACH | 18109V | Clare | 71 | 23.67 | 28 | 0 |
| GAELSCOIL DONNCHA RUA | 19849U | Clare | 68 | 18.67 | 24 | 0 |
| S N MHUIRE | 02439G | Clare | 68 | 22.67 | 27 | 0 |
| Scoil Mhichil | 20434V | Clare | 66 | 22.00 | 26 | 0 |
| S N CILL MUIRE | 13942D | Clare | 65 | 16.25 | 21 | 0 |
| DOONBEG N S | 11765U | Clare | 63 | 19.00 | 24 | 0 |
| Kilmurry McMahon National School | 20447H | Clare | 63 | 21.00 | 27 | 0 |
| MULLACH N S | 03928D | Clare | 53 | 16.00 | 23 | 0 |
| S N Baile na Cailli | 18639E | Clare | 52 | 20.50 | 24 | 0 |
| QUILTY NS | 17020A | Clare | 49 | 24.50 | 25 | 0 |
| CLOONEY N S | 15279I | Clare | 48 | 16.00 | 20 | 0 |
| LAKYLE N S | 15981A | Clare | 47 | 15.67 | 24 | 0 |
| TOMGRANEY N S | 14571W | Clare | 47 | 15.67 | 18 | 0 |
| TUBBER N S | 10886E | Clare | 40 | 20.00 | 21 | 0 |
| MOVEEN N S | 13876Q | Clare | 39 | 13.00 | 16 | 0 |
| St. Josephs National School Cree | 20570G | Clare | 38 | 12.67 | 15 | 0 |
| S N MA SHEASTA | 18565B | Clare | 37 | 18.50 | 22 | 0 |
| FLAGMOUNT CENTRAL NS | 19338S | Clare | 35 | 17.50 | 20 | 0 |
| RINEEN N S | 09425H | Clare | 35 | 17.50 | 18 | 0 |
| BALLYCAR N S | 18526O | Clare | 34 | 14.00 | 15 | 0 |
| SN na Crannaighe | 13804O | Clare | 32 | 16.00 | 18 | 0 |
| CARRIGAHOLT MIXED N S | 18630J | Clare | 30 | 12.00 | 12 | 0 |
| Coore National School | 20404M | Clare | 30 | 10.00 | 15 | 0 |
| LABASHEEDA CENTRAL N S | 19386G | Clare | 30 | 15.00 | 17 | 0 |
| O CALLAGHANS MILLS N S | 05253H | Clare | 29 | 14.50 | 15 | 0 |
| S N Iosef Naofa | 18339P | Clare | 29 | 14.50 | 15 | 0 |
| BODYKE N S | 11990E | Clare | 27 | 13.50 | 18 | 0 |
| CONNOLLY N S | 15408Q | Clare | 27 | 13.50 | 15 | 0 |
| S N Chathair Aodha | 18541K | Clare | 27 | 13.50 | 19 | 0 |
| BOSTON N S | 10763L | Clare | 24 | 12.00 | 13 | 0 |
| Dromindoora N.S. | 18950E | Clare | 23 | 11.50 | 12 | 0 |
| ROCKMOUNT MIXED N S | 09390O | Clare | 23 | 11.50 | 12 | 0 |
| CLOHANES N S | 13730L | Clare | 22 | 11.00 | 13 | 0 |
| DOONAHA N S | 12848G | Clare | 21 | 10.50 | 12 | 0 |
| COOLMEEN N S | 12633I | Clare | 20 | 10.00 | 12 | 0 |
| S N CLUAIN AN ATHA | 17246D | Clare | 19 | 9.50 | 10 | 0 |
| S N CUAN | 18359V | Clare | 19 | 9.50 | 11 | 0 |
| BURRANE N S | 13738E | Clare | 17 | 8.50 | 10 | 0 |
| S N CNOC DOIRE | 18327I | Clare | 17 | 8.50 | 10 | 0 |
| SCOIL AN SRAITH S N | 16930L | Clare | 15 | 7.50 | 8 | 0 |
| BANSHA N S | 11714D | Clare | 7 | 7.00 | 7 | 0 |
| CLUAIN DRAIGNEACH | 18540I | Clare | 5 | 2.50 | 3 | 0 |