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254 schools in Co. Dublin · 2025/26

pupils
74,785
junior infants
8,625
in 11 all-Irish schools
2,648 3.5%
class teachers · 27 gained one · 51 lost one since 2024/25
3,337 +194 since 2015/16
together since 2015/16

The 223 schools with figures for both years had 71,336 pupils in 2015/16 and have 65,402 now. Schools that have closed, and newer schools, aren’t counted.

−8.3%
Over 10 years

45 grew · 66 steady · 112 fell · 31 newer

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DEIS and islands

55 special schools also match this search. Show them too

  1. St Oliver Plunkett Malahide
    838 −9.6%
  2. St Brigids MXD N S Dublin 15
    834 −12.2%
  3. Scoil Colmcille Naofa Dublin 16
    721 −11.5%
  4. Scoil Choilm Community NS Dublin 15Multi-denominationalDEIS
    698 −2.6%
  5. S N Naomh Mhuire Saggart
    666 +7.2%
  6. The Harold School Glasthule
    642 −5.6%
  7. Scoil Naomh Mearnog Portmarnock
    638 +28.4%
  8. Sacred Heart N S Dublin 15
    632 −25.3%
  9. Caisleain Nua Liamhna Newcastle
    626 +30.1%
  10. Holy Family Senior N S Swords
    624 +0.3%
  11. Scoil Thomais Dublin 15
    622 −10.2%
  12. Scoil Aine Naofa Lucan
    614 +18.5%
  13. Holywell Educate Together National School SwordsMulti-denominational
    613 +22.8%
  14. St Marys Central N S Dublin 4
    587 +95.0%
  15. Scoil Ghrainne Community National School Dublin 15Multi-denominational
    585 −13.2%
  16. Hansfield Educate Together National School Dublin 15Multi-denominational
    575 +114.6%
  17. St Thomas Junior National School Lucan
    573 +3.1%
  18. Scoil Mhuire LucanGirls
    558 −18.4%
  19. Stepaside Educate Together National School Dublin 18Multi-denominational
    542 +351.7%
  20. St Ciarans N S Dublin 15
    530 −27.5%
  21. Brackenstown Senior N S Swords
    530 −6.2%
  22. Dublin 7 Educate Together NS Dublin 7Multi-denominational
    515 +16.3%
  23. Tyrrelstown Educate Together National School Dublin 15Multi-denominational
    511 −13.4%
  24. Lucan B N S LucanBoys
    501 −0.8%
  25. Scoil Padraig Naofa B BlackrockBoys
    499 −22.9%
Showing 25 of 254 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.