School Numbers
Menu
Find schools Counties Irish-medium Special schools About the data

Find schools

Within
Show only
Filtered by Co. Dublin Clear all

459 schools in Co. Dublin · 2025/26

pupils
132,941
junior infants
15,292
in 41 all-Irish schools
10,240 7.7%
class teachers · 45 gained one · 82 lost one since 2024/25
5,843 +331 since 2015/16
together since 2015/16

The 414 schools with figures for both years had 130,504 pupils in 2015/16 and have 119,663 now. Schools that have closed, and newer schools, aren’t counted.

−8.3%
Over 10 years

67 grew · 152 steady · 195 fell · 45 newer

Show the 459 schools

Filters

Clear all
Boys, girls or mixed
School type
Ethos
Teaching language
Number of pupils
Change in pupils over 10 years
Average class size
Class teachers
Class teachers since 2024/25
DEIS and islands

55 special schools also match this search. Show them too

  1. St Patricks NS Dublin 15
    867 +19.1%
  2. St Oliver Plunkett Malahide
    838 −9.6%
  3. St Brigids MXD N S Dublin 15
    834 −12.2%
  4. S N Naomh Mochta Dublin 15
    805 −8.8%
  5. St Colmcille Senior N S Dublin 16
    744 +4.9%
  6. Scoil Colmcille Naofa Dublin 16
    721 −11.5%
  7. Scoil Choilm Community NS Dublin 15Multi-denominationalDEIS
    698 −2.6%
  8. Rush NS Rush
    698 −6.6%
  9. Holy Family National School Rathcoole
    671 +6.8%
  10. S N Naomh Mhuire Saggart
    666 +7.2%
  11. John Paul II N S Malahide
    663 −2.5%
  12. The Harold School Glasthule
    642 −5.6%
  13. Scoil Naomh Mearnog Portmarnock
    638 +28.4%
  14. Sacred Heart N S Dublin 15
    632 −25.3%
  15. Caisleain Nua Liamhna Newcastle
    626 +30.1%
  16. Holy Family Senior N S Swords
    624 +0.3%
  17. St Benedicts National School Dublin 15
    622 −6.3%
  18. Scoil Thomais Dublin 15
    622 −10.2%
  19. Scoil Aine Naofa Lucan
    614 +18.5%
  20. Holywell Educate Together National School SwordsMulti-denominational
    613 +22.8%
  21. St Fiachras Sen N S Dublin 5
    609 −3.8%
  22. Scoil Naomh Lucais Dublin 15
    602 +11.3%
  23. St Christopher's NS Dublin 4Some subjects through IrishDEIS
    598 From 2019/20
  24. ST Olaf's National School Dublin 16
    591 +30.5%
  25. St. Louis National School Dublin 6
    590 From 2023/24
Showing 25 of 459 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.