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234 schools in Ireland · 2025/26

pupils
51,515
junior infants
6,625
in 25 all-Irish schools
5,971 11.6%
class teachers · 234 gained one · 0 lost one since 2024/25
2,310 +389 since 2015/16
together since 2015/16

The 203 schools with figures for both years had 40,299 pupils in 2015/16 and have 42,559 now. Schools that have closed, and newer schools, aren’t counted.

+5.6%
Over 10 years

96 grew · 66 steady · 41 fell · 31 newer

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Number of pupils
Change in pupils over 10 years
Average class size
Class teachers
Class teachers since 2024/25
DEIS and islands
  1. Castlebar Primary School Castlebar
    864 From 2022/23
  2. Trinity Primary School TuamDEIS
    781 From 2019/20
  3. S N Brighde Kill
    744 +19.2%
  4. Scoil Padraig Naofa Bray
    680 −14.9%
  5. Mercy Convent Primary School Naas
    607 −13.8%
  6. ST Olaf's National School Dublin 16
    591 +30.5%
  7. St Thomas Junior National School Lucan
    573 +3.1%
  8. St Marys NS AthloneDEIS
    573 +31.1%
  9. Scoil Mhuire LucanGirls
    558 −18.4%
  10. St Clares Primary School CavanDEIS
    548 +4.8%
  11. Stepaside Educate Together National School Dublin 18Multi-denominational
    542 +351.7%
  12. St Josephs Convent Longford TownDEIS
    527 +19.0%
  13. C.B.S. Primary DundalkDEIS
    524 +18.8%
  14. Ovens N S Ovens
    466 +9.1%
  15. Scoil Ui Fhiaich Maigh NuadGaelscoil
    459 −4.2%
  16. Portlaoise Educate Together NS PortlaoiseMulti-denominational
    457 +29.1%
  17. Scoil na Mainistreach Celbridge
    455 −16.8%
  18. S N Muire gan Smal Ballinasloe
    445 +7.2%
  19. Gaelscoil na Fuinseoige Bác 14GaelscoilMulti-denominational
    441 Opened 2016/17
  20. Assumption Junior School Dublin 12DEIS
    434 −17.8%
  21. St Fintans NS Dublin 13
    431 −8.3%
  22. Griffith Barracks Multi D School Dublin 8Multi-denominational
    403 +60.6%
  23. Gaelscoil Thaobh na Coille Baile Átha Cliath 18Gaelscoil
    402 −9.0%
  24. Scoil Oilibheir Naofa Bettystown
    397 −10.6%
  25. Watergrasshill N S WatergrasshillSome subjects through Irish
    391 +20.7%
  26. St Francis Xavier Senior N S Dublin 15
    388 +19.0%
  27. St Columbas Con G & I Dublin 9
    378 −5.0%
  28. Scoil C.ui Dhalaigh Léim an BhradáinGaelscoil
    376 −15.9%
  29. Scoil Naomh Pádraig Kanturk
    372 From 2022/23
  30. Gaelscoil Sairseal LuimneachGaelscoil
    369 +61.8%
  31. Naas Community National School NaasMulti-denominational
    364 +48.6%
  32. Gaelscoil Shliabh Rua Baile Átha Cliath 18GaelscoilMulti-denominational
    359 +529.8%
  33. Radharc na Mara National School MervueDEIS
    353 From 2020/21
  34. Scoil Cholmcille Kells
    352 +29.4%
  35. St Marys School Dublin 24
    349 −9.1%
  36. S N Muire gan Smal CarlowGirlsDEIS
    345 −21.1%
  37. Ashbourne Community National School AshbourneMulti-denominational
    341 From 2019/20
  38. Stapolin Educate Together National School Dublin 13Multi-denominational
    340 Opened 2019/20
  39. S N Mhuire na Trocaire Ardee
    339 +29.9%
  40. S N Mhuire Barntown
    336 +25.8%
  41. Scoil na Mainistreach Quin Dangan Quin
    330 +5.1%
  42. S N Cill Criodain Ladysbridge
    325 +18.6%
  43. Scoil an Athar Tadhg Carraig na bhFearSome subjects through Irish
    317 −10.2%
  44. Gaelscoil Chluain Meala Cluain MealaGaelscoil
    315 +48.6%
  45. Claremorris National School Claremorris
    314 From 2024/25
  46. Our Lady of Consolation NS Dublin 5DEIS
    310 +41.6%
  47. St Davids N S Dublin 5DEIS
    308 −1.9%
  48. Scoil Náisíunta Naomh Feichín Drogheda
    307 +4.1%
  49. Corr na Madadh N S AthloneMulti-denominationalDEIS
    306 +11.7%
  50. Scoil Mhuire agus Eoin MayfieldDEIS
    304 From 2017/18
  51. Blessed Oliver N S Balbriggan
    298 −13.1%
  52. Scoil an Leinbh Iosa Boys Seniors Dublin 9Boys
    297 +14.7%
  53. St Kilians Senior N S Dublin 24
    296 +41.6%
  54. S N Mhuire Senior School Blessington
    296 +3.5%
  55. Harcourt Terrace Educate Together National School Dublin 2Multi-denominational
    294 Opened 2018/19
  56. Scoil Eoin Naofa SligoDEIS
    289 +11.2%
  57. S N Cnoc an Mharcaigh Longford
    289 +7.8%
  58. Scoil Naomh Deagha Dundalk
    286 +34.9%
  59. Gaelscoil Chill Mhantáin Ráth NaoiGaelscoilInter-denominational
    285 +4.0%
  60. Scoil Chaitlin Maude Baile Átha Cliath 24GaelscoilMulti-denominationalDEIS
    284 −9.3%
  61. Presentation Primary School LimerickDEIS
    279 +4.5%
  62. Scoil Iognaid de Ris Kilkenny
    278 +33.7%
  63. Gaelscoil na Giúise D24 W682GaelscoilMulti-denominational
    278 +434.6%
  64. Clondrohid N S Macroom
    276 +23.8%
  65. St John the Baptist Boys School CashelBoysDEIS
    268 −3.6%
  66. St Pauls B N S WaterfordDEIS
    267 +20.8%
  67. S N Naomh Finnin Dublin 11DEIS
    266 +15.7%
  68. Holy Family TraleeDEIS
    265 +16.7%
  69. Scoil Colmcille CorkDEIS
    264 +23.9%
  70. Glenswilly N S Letterkenny
    262 −5.4%
  71. St Laurence O'Toole's NS Bray
    254 −21.6%
  72. Queen of Universe N S MuinebeaghDEIS
    253 −11.2%
  73. S N B Togher Cork CorkBoysDEIS
    252 −13.1%
  74. St Marys National School CobhGirls
    248 −26.0%
  75. S N N Maolmhaodhagh B DundalkBoys
    246 +22.4%
School Pupils Since 2015/16 Average class Class teacherschange on 2024/25 Junior infants
Castlebar Primary School Castlebar, Co. Mayo · Roll 20562H 864 – 25.0 +134 97
Trinity Primary School Tuam, Co. Galway · Roll 20547L DEIS 781 – 20.0 +437 85
S N Brighde Kill, Co. Kildare · Roll 17662R 744
+19.2%
24.4 +230 99
Scoil Padraig Naofa Bray, Co. Wicklow · Roll 17537O 680
−14.9%
22.5 +130 76
Mercy Convent Primary School Naas, Co. Kildare · Roll 15040T 607
−13.8%
23.8 +125 89
ST Olaf's National School Dublin 16 · Roll 19319O 591
+30.5%
25.7 +123 74
St Thomas Junior National School Lucan, Co. Dublin · Roll 19542R 573
+3.1%
25.8 +122 150
St Marys NS Athlone, Co. Westmeath · Roll 20073P DEIS 573
+31.1%
18.5 +131 47
Scoil Mhuire Lucan, Co. Dublin · Roll 13447Q Girls 558
−18.4%
23.7 +123 64
St Clares Primary School Cavan · Roll 08490N DEIS 548
+4.8%
18.7 +129 94
Stepaside Educate Together National School Dublin 18 · Roll 20401G Multi-denominational 542
+351.7%
22.1 +224 55
St Josephs Convent Longford Town · Roll 18178R DEIS 527
+19.0%
17.8 +128 79
C.B.S. Primary Dundalk, Co. Louth · Roll 17195M DEIS 524
+18.8%
24.7 +121 63
Ovens N S Ovens, Co. Cork · Roll 17251T 466
+9.1%
25.9 +118 60
Scoil Ui Fhiaich Maigh Nuad, Co. Kildare · Roll 20058T Gaelscoil 459
−4.2%
24.2 +119 56
Portlaoise Educate Together NS Portlaoise, Co. Laois · Roll 20347D Multi-denominational 457
+29.1%
23.4 +119 51
Scoil na Mainistreach Celbridge, Co. Kildare · Roll 18551N 455
−16.8%
23.3 +119 51
S N Muire gan Smal Ballinasloe, Co. Galway · Roll 17198S 445
+7.2%
23.4 +119 53
Gaelscoil na Fuinseoige Bác 14, Co. Dublin · Roll 20487T GaelscoilMulti-denominational 441 – 25.6 +117 53
Assumption Junior School Dublin 12 · Roll 20450T DEIS 434
−17.8%
23.4 +118 119
St Fintans NS Dublin 13 · Roll 19549I 431
−8.3%
23.9 +118 46
Griffith Barracks Multi D School Dublin 8 · Roll 20012S Multi-denominational 403
+60.6%
25.2 +116 51
Gaelscoil Thaobh na Coille Baile Átha Cliath 18, Co. Dublin · Roll 20020R Gaelscoil 402
−9.0%
23.6 +117 50
Scoil Oilibheir Naofa Bettystown, Co. Meath · Roll 20216L 397
−10.6%
22.9 +116 111
Watergrasshill N S Watergrasshill, Co. Cork · Roll 16271U Some subjects through Irish 391
+20.7%
22.3 +117 53
St Francis Xavier Senior N S Dublin 15 · Roll 19470S 388
+19.0%
23.3 +116 0
St Columbas Con G & I Dublin 9 · Roll 16659A 378
−5.0%
23.6 +116 45
Scoil C.ui Dhalaigh Léim an Bhradáin, Co. Kildare · Roll 19680G Gaelscoil 376
−15.9%
23.1 +116 45
Scoil Naomh Pádraig Kanturk, Co. Cork · Roll 20559S 372 – 23.2 +115 39
Gaelscoil Sairseal Luimneach, Co. Limerick · Roll 19956V Gaelscoil 369
+61.8%
26.4 +114 58
Naas Community National School Naas, Co. Kildare · Roll 20351R Multi-denominational 364
+48.6%
26.0 +114 48
Gaelscoil Shliabh Rua Baile Átha Cliath 18, Co. Dublin · Roll 20425U GaelscoilMulti-denominational 359
+529.8%
22.4 +216 44
Radharc na Mara National School Mervue, Co. Galway · Roll 20554I DEIS 353 – 15.7 +121 42
Scoil Cholmcille Kells, Co. Meath · Roll 16722E 352
+29.4%
23.5 +115 0
St Marys School Dublin 24 · Roll 18411U 349
−9.1%
24.9 +114 45
S N Muire gan Smal Carlow · Roll 18363M GirlsDEIS 345
−21.1%
21.6 +116 28
Ashbourne Community National School Ashbourne, Co. Meath · Roll 20546J Multi-denominational 341 – 22.6 +114 38
Stapolin Educate Together National School Dublin 13 · Roll 20519G Multi-denominational 340 – 21.4 +215 47
S N Mhuire na Trocaire Ardee, Co. Louth · Roll 18099V 339
+29.9%
24.2 +114 42
S N Mhuire Barntown, Co. Wexford · Roll 17913Q 336
+25.8%
23.1 +114 35
Scoil na Mainistreach Quin Dangan Quin, Co. Clare · Roll 20476O 330
+5.1%
24.5 +113 37
S N Cill Criodain Ladysbridge, Co. Cork · Roll 19351K 325
+18.6%
24.1 +113 42
Scoil an Athar Tadhg Carraig na bhFear, Co. Cork · Roll 19415K Some subjects through Irish 317
−10.2%
20.5 +114 35
Gaelscoil Chluain Meala Cluain Meala, Co. Tipperary · Roll 20007C Gaelscoil 315
+48.6%
24.2 +113 54
Claremorris National School Claremorris, Co. Mayo · Roll 20585T 314 – 20.5 +115 34
Our Lady of Consolation NS Dublin 5 · Roll 20064O DEIS 310
+41.6%
16.5 +117 64
St Davids N S Dublin 5 · Roll 19919P DEIS 308
−1.9%
23.2 +112 48
Scoil Náisíunta Naomh Feichín Drogheda, Co. Louth · Roll 16208N 307
+4.1%
22.7 +113 31
Corr na Madadh N S Athlone, Co. Westmeath · Roll 17903N Multi-denominationalDEIS 306
+11.7%
23.5 +113 28
Scoil Mhuire agus Eoin Mayfield, Co. Cork · Roll 20497W DEIS 304 – 17.9 +116 29
Blessed Oliver N S Balbriggan, Co. Dublin · Roll 17569E 298
−13.1%
22.9 +113 32
Scoil an Leinbh Iosa Boys Seniors Dublin 9 · Roll 17318C Boys 297
+14.7%
21.9 +113 0
St Kilians Senior N S Dublin 24 · Roll 19893A 296
+41.6%
24.2 +112 0
S N Mhuire Senior School Blessington, Co. Wicklow · Roll 20110S 296
+3.5%
22.8 +113 0
Harcourt Terrace Educate Together National School Dublin 2 · Roll 20501K Multi-denominational 294 – 24.6 +311 63
Scoil Eoin Naofa Sligo · Roll 19974A DEIS 289
+11.2%
17.8 +315 42
S N Cnoc an Mharcaigh Longford · Roll 07518E 289
+7.8%
24.1 +112 36
Scoil Naomh Deagha Dundalk, Co. Monaghan · Roll 19251G 286
+34.9%
26.0 +110 33
Gaelscoil Chill Mhantáin Ráth Naoi, Co. Wicklow · Roll 20045K GaelscoilInter-denominational 285
+4.0%
22.9 +212 63
Scoil Chaitlin Maude Baile Átha Cliath 24, Co. Dublin · Roll 19872P GaelscoilMulti-denominationalDEIS 284
−9.3%
17.1 +116 32
Presentation Primary School Limerick · Roll 20018H DEIS 279
+4.5%
19.1 +114 43
Scoil Iognaid de Ris Kilkenny · Roll 17867M 278
+33.7%
24.7 +111 34
Gaelscoil na Giúise D24 W682, Co. Dublin · Roll 20412L GaelscoilMulti-denominational 278
+434.6%
22.2 +112 45
Clondrohid N S Macroom, Co. Cork · Roll 14839P 276
+23.8%
23.0 +111 38
St John the Baptist Boys School Cashel, Co. Tipperary · Roll 20155R BoysDEIS 268
−3.6%
19.7 +213 24
St Pauls B N S Waterford · Roll 20219R DEIS 267
+20.8%
15.9 +216 29
S N Naomh Finnin Dublin 11 · Roll 19489Q DEIS 266
+15.7%
19.0 +114 26
Holy Family Tralee, Co. Kerry · Roll 19536W DEIS 265
+16.7%
16.9 +115 30
Scoil Colmcille Cork · Roll 16680O DEIS 264
+23.9%
18.0 +114 33
Glenswilly N S Letterkenny, Co. Donegal · Roll 19313C 262
−5.4%
23.3 +111 31
St Laurence O'Toole's NS Bray, Co. Wicklow · Roll 16634H 254
−21.6%
22.4 +111 25
Queen of Universe N S Muinebeagh, Co. Carlow · Roll 18183K DEIS 253
−11.2%
21.9 +111 34
S N B Togher Cork Cork · Roll 13980L BoysDEIS 252
−13.1%
17.1 +114 34
St Marys National School Cobh, Co. Cork · Roll 16377N Girls 248
−26.0%
21.2 +111 21
S N N Maolmhaodhagh B Dundalk, Co. Louth · Roll 18504E Boys 246
+22.4%
24.6 +110 0
Showing 75 of 234 Show 25 more

Distances are straight lines, not travel routes. Pupil numbers and class sizes: Department of Education, 2025/26. Change is over 10 years, since 2015/16. Average class size counts mainstream classes only, and there's one class teacher for each mainstream class. Totals cover every school in the results, not just those shown.