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124 schools in Co. Dublin · 2025/26

pupils
38,917
junior infants
4,395
in 14 all-Irish schools
3,392 8.7%
class teachers · 11 gained one · 19 lost one since 2024/25
1,616 +136 since 2015/16
households answered the parent survey
11,477
together since 2015/16 (about this figure)

The 117 schools with figures for both years had 37,883 pupils in 2015/16 and have 36,533 now. Schools that have closed, and newer schools, aren’t counted.

−3.6%
Over 10 years

20 grew · 54 steady · 43 fell · 7 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

14 special schools also match this search. Show them too

  1. St Patricks NS Dublin 15
    867 pupils +19.1% over 10 years
  2. 744 pupils +4.9% over 10 years
  3. 721 pupils −11.5% over 10 years
  4. Scoil Choilm Community NS Dublin 15Multi-denominationalDEIS
    698 pupils −2.6% over 10 years
  5. The Harold School Glasthule
    642 pupils −5.6% over 10 years
  6. Scoil Naomh Mearnog Portmarnock
    638 pupils +28.4% over 10 years
  7. St Christopher's NS Dublin 4Some subjects through IrishDEIS
    598 pupils From 2019/20
  8. 591 pupils +30.5% over 10 years
  9. 590 pupils From 2023/24
  10. 587 pupils +95.0% over 10 years
  11. 586 pupils +37.6% over 10 years
  12. Scoil Ghrainne Community National School Dublin 15Multi-denominational
    585 pupils −13.2% over 10 years
  13. Carysfort NS Blackrock
    583 pupils +7.0% over 10 years
  14. St Pius X G N S Dublin 6WGirls
    540 pupils +3.1% over 10 years
  15. St Pius X N S Boys Dublin 6Boys
    511 pupils −3.4% over 10 years
  16. St Brigids Girls N S Dublin 18Girls
    499 pupils −8.4% over 10 years
  17. Scoil Padraig Naofa B BlackrockBoys
    499 pupils −22.9% over 10 years
  18. Scoil Lorcáin Baile na ManachGaelscoil
    485 pupils −0.6% over 10 years
  19. St Patricks GNS Dublin 18Girls
    478 pupils −15.2% over 10 years
  20. St Patrick GNS Dublin 16
    472 pupils −8.5% over 10 years
  21. Marley Grange NS Dublin 16
    461 pupils −7.6% over 10 years
  22. Bishop Galvin NS Dublin 6w
    461 pupils −2.9% over 10 years
  23. Gaelscoil Chluain Dolcain Baile Átha Cliath 22Gaelscoil
    445 pupils +26.8% over 10 years
  24. Gaelscoil Bhrian Bóroimhe SordGaelscoilInter-denominational
    441 pupils −7.0% over 10 years
  25. St Annes MXD N S Shankill
    440 pupils −13.9% over 10 years
Showing 25 of 124 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.

Colour pins by parents who'd prefer
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  • Groups: their mix