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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%
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
Showing 25 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.