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19 schools in Co. Dublin · 2025/26

pupils
5,994
junior infants
647
in 3 all-Irish schools
633 10.6%
class teachers · 0 gained one · 19 lost one since 2024/25
250 −7 since 2015/16
households answered the parent survey
2,140
together since 2015/16 (about this figure)

The 19 schools with figures for both years had 6,955 pupils in 2015/16 and have 5,994 now. Schools that have closed, and newer schools, aren’t counted.

−13.8%
Over 10 years

2 grew · 5 steady · 12 fell

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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
  1. Scoil Padraig Naofa B BlackrockBoys
    499 pupils −22.9% over 10 years
  2. St Patricks GNS Dublin 18Girls
    478 pupils −15.2% over 10 years
  3. St Patrick GNS Dublin 16
    472 pupils −8.5% over 10 years
  4. 413 pupils −5.1% over 10 years
  5. St Helens Senior N S Portmarnock
    381 pupils +42.7% over 10 years
  6. 380 pupils −8.4% over 10 years
  7. 352 pupils −17.8% over 10 years
  8. 349 pupils −3.9% over 10 years
  9. Gaelscoil Bhaile Brigin Baile BrigínGaelscoilInter-denominational
    306 pupils −34.2% over 10 years
  10. 302 pupils −30.1% over 10 years
  11. 293 pupils +13.1% over 10 years
  12. St Brigids Boys N S Dublin 5Boys
    287 pupils −23.7% over 10 years
  13. St Kevins Boys Dublin 24Boys
    275 pupils −16.4% over 10 years
  14. 274 pupils −3.9% over 10 years
  15. Eoin Baisde C Naoidh Dublin 3Girls
    215 pupils −14.7% over 10 years
  16. Gaelscoil Inse Chor Baile Átha Cliath 8Gaelscoil
    209 pupils −13.3% over 10 years
  17. 200 pupils −28.8% over 10 years
  18. S N Mhuire Garristown
    191 pupils −19.4% over 10 years
  19. Gaelscoil Phadraig Baile BreacGaelscoilDEIS
    118 pupils −27.6% over 10 years
Showing 19 of 19

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
  • Under 25%
  • 25–49%
  • 50–74%
  • 75%+
  • No results
  • Groups: their mix