| School | Roll number | County | Total (latest year) | Latest average class size | Largest class | Classes 30+ |
|---|---|---|---|---|---|---|
| Trinity Primary School | 20547L | Galway | 781 | 19.97 | 25 | 0 |
| Athenry Primary School | 20582N | Galway | 501 | 23.57 | 29 | 0 |
| S N MUIRE GAN SMAL | 17198S | Galway | 445 | 23.42 | 28 | 0 |
| Gaelscoil de hIde | 19998O | Galway | 399 | 24.94 | 28 | 0 |
| SCOIL MHUIRE | 19529C | Galway | 396 | 24.75 | 30 | 1 |
| S N IDE NAOFA | 16762Q | Galway | 328 | 25.23 | 28 | 0 |
| S N NAOMH IOSEF | 15523Q | Galway | 324 | 22.50 | 29 | 0 |
| S N CREACHMHAOIL | 05754G | Galway | 318 | 23.54 | 27 | 0 |
| S N Chlair na Gaillimhe | 16804G | Galway | 311 | 23.92 | 29 | 0 |
| Scoil an Chroi Naofa | 20042E | Galway | 293 | 18.33 | 26 | 0 |
| Scoil Bhrige agus Bhreandain Naofa | 19997M | Galway | 281 | 23.42 | 31 | 2 |
| Scoil Chuimín & Caitríona | 20199O | Galway | 265 | 23.00 | 32 | 2 |
| AINBHTHIN NAOFA | 14590D | Galway | 261 | 24.90 | 33 | 2 |
| SCOIL MHUIRE | 19965W | Galway | 256 | 23.27 | 33 | 3 |
| SN MUINE MHEA | 18746F | Galway | 251 | 24.60 | 35 | 1 |
| SCOIL MHUIRE | 19973V | Galway | 241 | 23.30 | 33 | 1 |
| ST BRENDANS NS | 19996K | Galway | 235 | 22.90 | 29 | 0 |
| SCOIL NAOMH MHUIRE | 18089S | Galway | 233 | 25.89 | 31 | 4 |
| S N BHRIDE | 12954F | Galway | 229 | 25.44 | 33 | 2 |
| S N MHUIRE | 17771W | Galway | 229 | 25.44 | 30 | 1 |
| S N na bhForbacha | 17668G | Galway | 229 | 28.62 | 32 | 4 |
| GAELSCOIL IARFHLATHA | 20061I | Galway | 223 | 24.78 | 31 | 3 |
| NIOCLAS NAOFA | 19744G | Galway | 221 | 24.56 | 32 | 1 |
| S N NAOMH PADRAIG | 16936A | Galway | 221 | 22.10 | 31 | 2 |
| S N Seamus Naofa | 19803T | Galway | 221 | 22.10 | 32 | 2 |
| Claregalway Educate Together NS | 20211B | Galway | 220 | 23.11 | 28 | 0 |
| ST BRENDANS N S | 15835M | Galway | 216 | 24.00 | 28 | 0 |
| SN SAILEARNA | 12706J | Galway | 212 | 23.22 | 30 | 2 |
| BUNSCOIL NAOMH CHUANA | 12782C | Galway | 208 | 24.50 | 32 | 3 |
| S N an Croi Ro Naofa | 18021H | Galway | 208 | 24.62 | 29 | 0 |
| SCOIL NAOMH EANNA | 18112K | Galway | 208 | 25.25 | 33 | 1 |
| Ceathru na nGarrdhanta | 17631G | Galway | 203 | 25.38 | 29 | 0 |
| S N SEOSAMH NAOFA | 17444H | Galway | 203 | 23.88 | 30 | 1 |
| SN MHIC DARA | 19932H | Galway | 202 | 25.25 | 30 | 2 |
| ST COLMANS MXD N S | 19276W | Galway | 202 | 25.25 | 29 | 0 |
| ST OLIVER PLUNKETTS NS | 19449E | Galway | 199 | 24.88 | 28 | 0 |
| TOGALA MHUIRE | 18097R | Galway | 198 | 24.75 | 29 | 0 |
| Gort National School | 20465J | Galway | 197 | 21.89 | 30 | 2 |
| Kilcolgan Educate Together NS | 20326S | Galway | 195 | 24.38 | 28 | 0 |
| S N CILLININ | 18268S | Galway | 195 | 24.38 | 31 | 1 |
| Tuam Educate Together National School | 20456I | Galway | 195 | 24.38 | 27 | 0 |
| SN UI CHEITHEARNAIGH | 19969H | Galway | 193 | 24.12 | 35 | 1 |
| BALLINDERRY N S | 16410I | Galway | 191 | 23.88 | 36 | 2 |
| BALLINDERREEN MXD N S | 07551C | Galway | 182 | 24.29 | 29 | 0 |
| SCOIL NAOMH MHUIRE | 18125T | Galway | 180 | 25.71 | 31 | 1 |
| S N ARD RAITHIN | 17007I | Galway | 176 | 25.14 | 31 | 2 |
| SN CEARN MOR | 19828M | Galway | 174 | 24.86 | 31 | 2 |
| Newtown NS | 20280U | Galway | 172 | 24.57 | 31 | 1 |
| SCOIL EINNE | 20115F | Galway | 171 | 24.43 | 30 | 1 |
| GAELSCOIL RIABHACH | 20123E | Galway | 170 | 23.43 | 31 | 2 |
| GAELSCOIL RIADA | 20237T | Galway | 158 | 22.57 | 27 | 0 |
| S N CILLINI DIOMA | 15071H | Galway | 147 | 24.50 | 30 | 1 |
| SCOIL NAOMH PADRAIG | 18332B | Galway | 146 | 24.33 | 30 | 1 |
| GLENAMADDY NS | 18572V | Galway | 142 | 21.83 | 31 | 1 |
| Headford Primary School | 20583P | Galway | 137 | 22.83 | 34 | 1 |
| IOMAIR N S | 08512U | Galway | 136 | 26.00 | 34 | 2 |
| S N NA COILLE GLAISE | 10863P | Galway | 135 | 21.00 | 32 | 2 |
| S N BRIGHDE | 17759J | Galway | 130 | 19.67 | 26 | 0 |
| SN N BREANDAIN | 18163E | Galway | 129 | 21.50 | 25 | 0 |
| S N CATHAIR GEAL | 17807R | Galway | 124 | 24.80 | 33 | 1 |
| BAILE MOR SIOL ANMCADHA | 17170T | Galway | 117 | 21.00 | 28 | 0 |
| S N CAITRIONA NAOFA | 17613E | Galway | 117 | 23.40 | 31 | 1 |
| S N CILL TARTAIN | 17789S | Galway | 117 | 23.40 | 31 | 1 |
| St Oliver Plunkett National School | 19380R | Galway | 114 | 22.80 | 33 | 1 |
| Cuan na Gaillimhe Community National School | 20462D | Galway | 112 | 22.40 | 29 | 0 |
| CROI RONAOFA MEASCAITHE | 17368R | Galway | 110 | 22.00 | 25 | 0 |
| KILCHREEST CENTRAL SCH | 19544V | Galway | 110 | 27.50 | 33 | 2 |
| NAOMH COLMAN MAC DUAIGH | 19377F | Galway | 109 | 27.25 | 30 | 1 |
| S N CILL CUILE | 06044D | Galway | 109 | 21.80 | 26 | 0 |
| BALLYMANA N S | 10675O | Galway | 108 | 21.60 | 28 | 0 |
| S N AN BHAIN MHOIR | 09069L | Galway | 108 | 19.20 | 24 | 0 |
| CLONBERNE CENTRAL SCH | 19388K | Galway | 107 | 21.40 | 27 | 0 |
| S N PADRAIG NAOFA | 14383V | Galway | 106 | 26.50 | 34 | 1 |
| SCOIL BHRIDE | 17934B | Galway | 106 | 18.80 | 24 | 0 |
| Scoil Mhuire Naofa | 17877P | Galway | 106 | 21.20 | 26 | 0 |
| Annagh Hill NS | 20448J | Galway | 105 | 21.00 | 29 | 0 |
| CAPPATAGLE CENTRAL SCH | 19506N | Galway | 105 | 19.80 | 26 | 0 |
| S N NAOMH FHURSA | 17118R | Galway | 100 | 19.00 | 27 | 0 |
| S N na Fuar Coilleadh | 17051L | Galway | 100 | 25.00 | 28 | 0 |
| SN BAILE AN MHUILINN | 18460K | Galway | 99 | 19.80 | 27 | 0 |
| CRUMLIN N S | 12606F | Galway | 95 | 23.75 | 26 | 0 |
| GARRAFRAUNS CENTRAL SCH | 19391W | Galway | 95 | 23.75 | 32 | 1 |
| S N AINDREIS NAOFA | 03607G | Galway | 94 | 23.50 | 35 | 1 |
| S N NAOMH IOSEF | 13686L | Galway | 94 | 22.75 | 24 | 0 |
| S N na Cealltraighe | 17095I | Galway | 93 | 23.25 | 27 | 0 |
| S N AINE NAOFA | 17475S | Galway | 92 | 21.50 | 30 | 1 |
| S N DOMHNACH PADRAIG | 17207Q | Galway | 92 | 23.00 | 32 | 1 |
| LURGA N S | 12574S | Galway | 91 | 22.75 | 29 | 0 |
| KILCONLY N S | 15475I | Galway | 90 | 22.50 | 25 | 0 |
| S N AN TSAILEAIN | 06489S | Galway | 90 | 22.50 | 28 | 0 |
| CARNAIN N.S. | 14031N | Galway | 89 | 22.25 | 30 | 1 |
| KILTORMER N S | 01328P | Galway | 89 | 22.25 | 25 | 0 |
| CREGGS CENTRAL N S | 19818J | Galway | 87 | 17.75 | 23 | 0 |
| S N BREANDAIN NAOFA | 17154V | Galway | 87 | 21.75 | 27 | 0 |
| S N MUIRE | 13621G | Galway | 85 | 21.25 | 26 | 0 |
| SN Tuairini | 13415D | Galway | 84 | 21.00 | 25 | 0 |
| S N CHOILM CHILLE | 18514H | Galway | 83 | 19.25 | 23 | 0 |
| S N Tir an Fhiaidh | 17689O | Galway | 83 | 20.75 | 24 | 0 |
| BALLYMACWARD CENTRAL SC | 19283T | Galway | 81 | 20.25 | 23 | 0 |
| SCOIL MHUIRE GAN SMAL | 07455G | Galway | 81 | 20.25 | 21 | 0 |
| Scoil Mhuire | 20564L | Galway | 81 | 20.25 | 24 | 0 |
| AIBHISTIN NAOFA | 17919F | Galway | 80 | 20.00 | 23 | 0 |
| BRIERFIELD N SCHOOL | 14294W | Galway | 80 | 14.80 | 18 | 0 |
| BARNADERG CENTRAL SCH | 19275U | Galway | 77 | 19.25 | 23 | 0 |
| GLINSK N S | 19841E | Galway | 74 | 18.50 | 23 | 0 |
| S N COR AN DROMA | 15796F | Galway | 73 | 22.33 | 25 | 0 |
| SN COLMCILLE | 17221K | Galway | 70 | 16.00 | 18 | 0 |
| S N AN LEATH BHAILE | 17197Q | Galway | 69 | 23.00 | 28 | 0 |
| S N CILL FHEICIN | 14394D | Galway | 69 | 23.00 | 28 | 0 |
| S N CILL RICHILL | 16293H | Galway | 69 | 23.00 | 27 | 0 |
| S N CIARAIN NAOFA | 17869Q | Galway | 67 | 21.00 | 22 | 0 |
| S N NAOMH UINSEANN | 16857E | Galway | 67 | 16.75 | 24 | 0 |
| CLOUGHANOWER N S | 14448A | Galway | 66 | 16.50 | 21 | 0 |
| ESKER N S | 01000E | Galway | 65 | 21.67 | 35 | 1 |
| S N CILL CONAILL | 14377D | Galway | 65 | 21.67 | 27 | 0 |
| SN Tullach Ui Chadhain | 08446K | Galway | 65 | 21.67 | 29 | 0 |
| S N BRIGHDHE NAOFA | 17772B | Galway | 64 | 21.33 | 33 | 1 |
| S N Gort na Gaoithe | 18111I | Galway | 64 | 21.33 | 22 | 0 |
| S N BAILE NUA | 15331H | Galway | 62 | 20.67 | 23 | 0 |
| SN AN FHAIRCHE | 14712O | Galway | 62 | 20.67 | 27 | 0 |
| SCOIL NAOMH PADRAIG | 14278B | Galway | 60 | 20.00 | 23 | 0 |
| S N COILM CILLE | 12946G | Galway | 59 | 18.00 | 23 | 0 |
| S N CRONAIN | 17645R | Galway | 59 | 19.67 | 28 | 0 |
| S N MHUIRE | 14642T | Galway | 58 | 19.33 | 25 | 0 |
| S N MHUIRE | 18121L | Galway | 58 | 19.33 | 24 | 0 |
| S N NAOMH THOMAIS | 17502S | Galway | 55 | 18.33 | 21 | 0 |
| SN Ceathru na Laithigh | 12138V | Galway | 54 | 18.00 | 25 | 0 |
| S N MUIRE GAN SMAL | 18043R | Galway | 53 | 26.50 | 28 | 0 |
| SCOIL BHREANDAIN NAOFA | 17870B | Galway | 53 | 17.67 | 19 | 0 |
| SCOIL IARLATHA NAOFA | 17863E | Galway | 53 | 17.67 | 21 | 0 |
| ST. JOSEPHS N.S. | 15958F | Galway | 53 | 15.67 | 16 | 0 |
| CASTLEBLAKENEY N S | 16464I | Galway | 52 | 17.33 | 20 | 0 |
| S N CILL CRUAIN | 17539S | Galway | 52 | 17.33 | 22 | 0 |
| SCOIL NAOMH IOSEF | 18289D | Galway | 51 | 17.00 | 22 | 0 |
| GORTANUMERA N S | 08379V | Galway | 50 | 16.67 | 19 | 0 |
| GURTEEN CENTRAL NS | 19770H | Galway | 49 | 16.33 | 23 | 0 |
| SCOIL MHUIRE | 17980I | Galway | 48 | 16.00 | 18 | 0 |
| S N LORCAIN NAOFA | 17490O | Galway | 45 | 22.50 | 24 | 0 |
| S N NAOMH TREASA | 10095T | Galway | 45 | 15.00 | 18 | 0 |
| ST BRENDAN'S N.S. | 15997P | Galway | 45 | 15.00 | 18 | 0 |
| St Columba's National School | 20491K | Galway | 44 | 22.00 | 23 | 0 |
| S N MUIRE GAN SMAL | 18608Q | Galway | 43 | 21.50 | 24 | 0 |
| S N AN CILLIN | 13665D | Galway | 42 | 14.00 | 20 | 0 |
| Gaelscoil na bhFili | 20264W | Galway | 41 | 20.50 | 26 | 0 |
| S N LEITIRGEIS | 09833W | Galway | 39 | 19.50 | 21 | 0 |
| S N NAOMH TREASA | 17660N | Galway | 39 | 19.50 | 21 | 0 |
| ST BRENDANS N S | 20040A | Galway | 39 | 19.50 | 21 | 0 |
| S N IOMAIR NAOFA | 17529P | Galway | 38 | 19.00 | 19 | 0 |
| S N na hEaglaise | 15027E | Galway | 37 | 12.33 | 14 | 0 |
| S N RONAIN | 17456O | Galway | 36 | 18.00 | 18 | 0 |
| SCOIL MHUIRE | 18581W | Galway | 36 | 17.00 | 24 | 0 |
| S N BREANDAN NAOFA | 17547R | Galway | 34 | 17.00 | 20 | 0 |
| S N CAOMHAIN | 17289V | Galway | 33 | 16.50 | 17 | 0 |
| S N BREANDAN NAOFA | 17506D | Galway | 32 | 16.00 | 23 | 0 |
| S N Baile na Cille | 17273G | Galway | 32 | 16.00 | 16 | 0 |
| ST FEICHINS N SCHOOL | 16596C | Galway | 32 | 16.00 | 22 | 0 |
| S N BHEANAIN | 18636V | Galway | 31 | 15.50 | 17 | 0 |
| S N MHUIRE | 11373D | Galway | 31 | 15.50 | 18 | 0 |
| S N NAOMH PADRAIG | 14420B | Galway | 28 | 14.00 | 15 | 0 |
| SN M AN CROI GAN SMAL | 18490T | Galway | 27 | 13.50 | 14 | 0 |
| S N EANNA | 12502Q | Galway | 25 | 12.50 | 13 | 0 |
| S N Leitir Meallain | 20345W | Galway | 25 | 12.50 | 14 | 0 |
| S N NAOMH BRID | 11669B | Galway | 25 | 10.50 | 13 | 0 |
| SN AN AILL BHREACH | 17488E | Galway | 25 | 12.50 | 14 | 0 |
| S N Gort na Leime | 18686N | Galway | 23 | 9.50 | 12 | 0 |
| S N NAOMH CIARAIN | 17574U | Galway | 22 | 9.50 | 11 | 0 |
| S N PADRAIG NAOFA | 17485V | Galway | 22 | 11.00 | 11 | 0 |
| S N Tir na Cille | 19357W | Galway | 22 | 11.00 | 15 | 0 |
| S N AN ARD MHOIR | 10591I | Galway | 20 | 10.00 | 13 | 0 |
| SCOIL BRIDE | 18309G | Galway | 20 | 10.00 | 15 | 0 |
| S N BRIOCAIN | 17463L | Galway | 19 | 9.50 | 12 | 0 |
| S N MUIRE GAN SMAL | 11290W | Galway | 19 | 9.50 | 10 | 0 |
| S N Caladh na Muc | 17655U | Galway | 18 | 9.00 | 10 | 0 |
| S N PADRAIG NAOFA | 17793J | Galway | 18 | 9.00 | 10 | 0 |
| S N BAILE AN LEASA | 17760R | Galway | 17 | 8.50 | 11 | 0 |
| S N COLMCILLE | 13699U | Galway | 17 | 8.50 | 9 | 0 |
| THE GLEBE N.S. | 15900U | Galway | 17 | 8.50 | 9 | 0 |
| SCOIL MHUIRE | 18252D | Galway | 16 | 8.00 | 9 | 0 |
| BALLYCONEELY N S | 19290Q | Galway | 15 | 7.50 | 8 | 0 |
| INISHBOFIN N S | 13927H | Galway | 15 | 7.50 | 10 | 0 |
| S N AN DROMA | 17331R | Galway | 15 | 7.50 | 10 | 0 |
| S N na Naomh Uile | 13821O | Galway | 15 | 7.50 | 8 | 0 |
| SCOIL RONAIN | 14724V | Galway | 15 | 7.50 | 9 | 0 |
| S N EOIN POL II | 20210W | Galway | 14 | 7.00 | 9 | 0 |
| S N ARD | 14421D | Galway | 13 | 6.50 | 7 | 0 |
| S N INIS MEADHOIN | 12339I | Galway | 13 | 6.50 | 7 | 0 |
| S N NAOMH PADRAIG | 12106I | Galway | 13 | 6.50 | 8 | 0 |
| S N Pairc na Slinne | 17242S | Galway | 13 | 6.50 | 7 | 0 |
| S N PADRAIG NAOFA | 14273O | Galway | 12 | 6.00 | 7 | 0 |
| S N BAILE A MHOININ | 17071R | Galway | 11 | 5.50 | 6 | 0 |
| S N NAOMH COLMAIN | 17770U | Galway | 10 | 5.00 | 7 | 0 |
| S N NAOMH ANTOINE | 12095G | Galway | 2 | 2.00 | 2 | 0 |