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67 schools in Co. Dublin · 2025/26

pupils
20,175
junior infants
2,035
in 2 all-Irish schools
513 2.5%
class teachers · 12 gained one · 3 lost one since 2024/25
875 +239 since 2015/16
together since 2015/16

The 67 schools with figures for both years had 15,719 pupils in 2015/16 and have 20,175 now. Schools that have closed, and newer schools, aren’t counted.

+28.3%
Over 10 years

67 grew · 0 steady · 0 fell

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DEIS and islands

11 special schools also match this search. Show them too

  1. St Patricks NS Dublin 15
    867 +19.1%
  2. Scoil Naomh Mearnog Portmarnock
    638 +28.4%
  3. Caisleain Nua Liamhna Newcastle
    626 +30.1%
  4. Scoil Aine Naofa Lucan
    614 +18.5%
  5. Scoil Naomh Lucais Dublin 15
    602 +11.3%
  6. ST Olaf's National School Dublin 16
    591 +30.5%
  7. St Marys Central N S Dublin 4
    587 +95.0%
  8. Holy Trinity National School Dublin 18
    586 +37.6%
  9. Dublin 7 Educate Together NS Dublin 7Multi-denominational
    515 +16.3%
  10. Holy Child National School Dublin 9
    495 +23.1%
  11. St Marys N S Lucan
    483 +14.2%
  12. Gaelscoil Chluain Dolcain Baile Átha Cliath 22Gaelscoil
    445 +26.8%
  13. St. Francis of Assisi National School Dublin 13
    434 +11.3%
  14. St. John the Evangelist National School Adamstown Castle
    417 +16.5%
  15. Islamic National School Dublin 14Muslim
    414 +39.9%
  16. St Dominic's National School Dublin 24DEIS
    410 +40.4%
  17. Glasnevin Educate Together NS Dublin 11Multi-denominational
    410 +73.7%
  18. Griffith Barracks Multi D School Dublin 8Multi-denominational
    403 +60.6%
  19. Harolds Cross N S Dublin 6WDEIS
    398 +24.0%
  20. Holy Trinity Sen N S Dublin 13
    397 +14.4%
  21. North Dublin Muslim NS Dublin 7Muslim
    391 +64.3%
  22. St Francis Xavier Senior N S Dublin 15
    388 +19.0%
  23. Stanhope Street Primary School Dublin 7DEIS
    384 +15.3%
  24. St Helens Senior N S Portmarnock
    381 +42.7%
  25. St Raphaels NS Dublin 10DEIS
    380 +50.8%
Showing 25 of 67 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.