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121 schools in Ireland · 2025/26

pupils
31,348
junior infants
4,165
in 9 all-Irish schools
2,106 6.7%
class teachers · 121 gained one · 0 lost one since 2024/25
1,413 +202 since 2015/16
together since 2015/16

The 98 schools with figures for both years had 23,261 pupils in 2015/16 and have 24,035 now. Schools that have closed, and newer schools, aren’t counted.

+3.3%
Over 10 years

46 grew · 28 steady · 24 fell · 23 newer

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Parent survey, 2025

Parents of children at each school, from the Department's Primary School Survey. About these figures

Parents who'd prefer a multi-denominational patron

Parents who'd prefer teaching through Irish

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 Thomas Junior National School Lucan
    573 +3.1%
  7. Scoil Mhuire LucanGirls
    558 −18.4%
  8. St Clares Primary School CavanDEIS
    548 +4.8%
  9. Stepaside Educate Together National School Dublin 18Multi-denominational
    542 Opened 2012/13
  10. St Josephs Convent Longford TownDEIS
    527 +19.0%
  11. C.B.S. Primary DundalkDEIS
    524 +18.8%
  12. Portlaoise Educate Together NS PortlaoiseMulti-denominational
    457 Opened 2010/11
  13. Scoil na Mainistreach Celbridge
    455 −16.8%
  14. S N Muire gan Smal Ballinasloe
    445 +7.2%
  15. Gaelscoil na Fuinseoige Bác 14GaelscoilMulti-denominational
    441 Opened 2016/17
  16. Assumption Junior School Dublin 12DEIS
    434 −17.8%
  17. Scoil Oilibheir Naofa Bettystown
    397 −10.6%
  18. Watergrasshill N S WatergrasshillSome subjects through Irish
    391 +20.7%
  19. St Francis Xavier Senior N S Dublin 15
    388 +19.0%
  20. Scoil Naomh Pádraig Kanturk
    372 From 2022/23
  21. Radharc na Mara National School MervueDEIS
    353 From 2020/21
  22. Ashbourne Community National School AshbourneMulti-denominational
    341 From 2019/20
  23. Stapolin Educate Together National School Dublin 13Multi-denominational
    340 Opened 2019/20
  24. S N Mhuire Barntown
    336 +25.8%
  25. Scoil na Mainistreach Quin Dangan Quin
    330 +5.1%
School Pupils Since 2015/16 Since 2005/06 Average class Class teacherschange on 2024/25 Junior infants Multi-denominationalparents who'd prefer Through Irishparents who'd prefer
Castlebar Primary School Castlebar, Co. Mayo · Roll 20562H 864 From 2022/23 From 2022/23 25.0 +134 97 37% 8%
Trinity Primary School Tuam, Co. Galway · Roll 20547L DEIS 781 From 2019/20 From 2019/20 20.0 +437 85 31% 8%
S N Brighde Kill, Co. Kildare · Roll 17662R 744
+19.2%
+74.6%
24.4 +230 99 46% 20%
Scoil Padraig Naofa Bray, Co. Wicklow · Roll 17537O 680
−14.9%
−11.9%
22.5 +130 76 60% 6%
Mercy Convent Primary School Naas, Co. Kildare · Roll 15040T 607
−13.8%
−28.5%
23.8 +125 89 47% 12%
St Thomas Junior National School Lucan, Co. Dublin · Roll 19542R 573
+3.1%
+23.8%
25.8 +122 150 45% 10%
Scoil Mhuire Lucan, Co. Dublin · Roll 13447Q Girls 558
−18.4%
−12.1%
23.7 +123 64 34% 10%
St Clares Primary School Cavan · Roll 08490N DEIS 548
+4.8%
+59.3%
18.7 +129 94 43% 8%
Stepaside Educate Together National School Dublin 18 · Roll 20401G Multi-denominational 542 Opened 2012/13 Opened 2012/13 22.1 +224 55 92% 8%
St Josephs Convent Longford Town · Roll 18178R DEIS 527
+19.0%
+133.2%
17.8 +128 79 33% 3%
C.B.S. Primary Dundalk, Co. Louth · Roll 17195M DEIS 524
+18.8%
+72.9%
24.7 +121 63 38% 9%
Portlaoise Educate Together NS Portlaoise, Co. Laois · Roll 20347D Multi-denominational 457 Opened 2010/11 Opened 2010/11 23.4 +119 51 77% 8%
Scoil na Mainistreach Celbridge, Co. Kildare · Roll 18551N 455
−16.8%
−23.3%
23.3 +119 51 38% 14%
S N Muire gan Smal Ballinasloe, Co. Galway · Roll 17198S 445
+7.2%
+12.1%
23.4 +119 53 37% 8%
Gaelscoil na Fuinseoige Bác 14, Co. Dublin · Roll 20487T GaelscoilMulti-denominational 441 Opened 2016/17 Opened 2016/17 25.6 +117 53 89% 96%
Assumption Junior School Dublin 12 · Roll 20450T DEIS 434
−17.8%
From 2014/15 23.4 +118 119 34% 13%
Scoil Oilibheir Naofa Bettystown, Co. Meath · Roll 20216L 397
−10.6%
Opened 2005/06 22.9 +116 111 47% 11%
Watergrasshill N S Watergrasshill, Co. Cork · Roll 16271U Some subjects through Irish 391
+20.7%
+103.6%
22.3 +117 53 52% 10%
St Francis Xavier Senior N S Dublin 15 · Roll 19470S 388
+19.0%
−7.0%
23.3 +116 0 31% 17%
Scoil Naomh Pádraig Kanturk, Co. Cork · Roll 20559S 372 From 2022/23 From 2022/23 23.2 +115 39 29% 9%
Radharc na Mara National School Mervue, Co. Galway · Roll 20554I DEIS 353 From 2020/21 From 2020/21 15.7 +121 42 11% 18%
Ashbourne Community National School Ashbourne, Co. Meath · Roll 20546J Multi-denominational 341 From 2019/20 From 2019/20 22.6 +114 38 67% 5%
Stapolin Educate Together National School Dublin 13 · Roll 20519G Multi-denominational 340 Opened 2019/20 Opened 2019/20 21.4 +215 47 94% 8%
S N Mhuire Barntown, Co. Wexford · Roll 17913Q 336
+25.8%
+16.3%
23.1 +114 35 43% 14%
Scoil na Mainistreach Quin Dangan Quin, Co. Clare · Roll 20476O 330
+5.1%
From 2015/16 24.5 +113 37 49% 20%
Showing 25 of 121 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.