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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

Show the 121 schools

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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 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 +351.7%
  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 +29.1%
  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%
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.