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Filtered by Co. Dublin Growing 9 to 16 class teachers Clear all

29 schools in Co. Dublin · 2025/26

pupils
8,406
junior infants
602
in all-Irish schools
0
class teachers · 6 gained one · 2 lost one since 2024/25
368 +97 since 2015/16
together since 2015/16

The 29 schools with figures for both years had 6,684 pupils in 2015/16 and have 8,406 now. Schools that have closed, and newer schools, aren’t counted.

+25.8%
Over 10 years

29 grew · 0 steady · 0 fell

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Change in pupils over 10 years
Average class size
Class teachers
Class teachers since 2024/25
DEIS and islands
  1. St. Francis of Assisi National School Dublin 13
    434 +11.3%
  2. St. John the Evangelist National School Adamstown Castle
    417 +16.5%
  3. Glasnevin Educate Together NS Dublin 11Multi-denominational
    410 +73.7%
  4. Griffith Barracks Multi D School Dublin 8Multi-denominational
    403 +60.6%
  5. Harolds Cross N S Dublin 6WDEIS
    398 +24.0%
  6. Holy Trinity Sen N S Dublin 13
    397 +14.4%
  7. North Dublin Muslim NS Dublin 7Muslim
    391 +64.3%
  8. St Francis Xavier Senior N S Dublin 15
    388 +19.0%
  9. St Helens Senior N S Portmarnock
    381 +42.7%
  10. Brighde Naofa Kilsallaghan
    357 +12.3%
  11. Skerries Educate Together National School SkerriesMulti-denominationalDEIS
    333 +11.0%
  12. Scoil an Leinbh Iosa Boys Seniors Dublin 9Boys
    297 +14.7%
  13. St Kilians Senior N S Dublin 24
    296 +41.6%
  14. Scoil Assaim Boys Seniors Dublin 5
    293 +13.1%
  15. St. James's Primary School Dublin 8DEIS
    278 +11.6%
  16. S N Naomh Finnin Dublin 11DEIS
    266 +15.7%
  17. Holy Cross N S Dublin 14
    260 +11.6%
  18. Paradise Place ETNS Dublin 7Multi-denominationalDEIS
    239 +18.9%
  19. S N Muire na Freastogala Girls Senior School Dublin 12Girls
    230 +26.4%
  20. St Kevins N S SallynogginDEIS
    229 +42.2%
  21. Scoil Naomh Colmcille Dublin 13
    217 +77.9%
  22. Scoil Mhuire Ogh 1 Dublin 12DEIS
    212 +46.2%
  23. Scoil Naisiunta an Dea Aoire Dublin 14DEIS
    209 +15.5%
  24. S N Aenghusa Dublin 24DEIS
    209 +10.6%
  25. St Francis Senior N S Dublin 17DEIS
    198 +15.1%
Showing 25 of 29 Show 4 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.