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Filtered by Co. Dublin 9 to 16 class teachers Gained a class teacher Clear all

22 schools in Co. Dublin · 2025/26

pupils
5,990
junior infants
765
in 3 all-Irish schools
921 15.4%
class teachers · 22 gained one · 0 lost one since 2024/25
272 +48 since 2015/16
together since 2015/16

The 17 schools with figures for both years had 4,393 pupils in 2015/16 and have 4,499 now. Schools that have closed, and newer schools, aren’t counted.

+2.4%
Over 10 years

6 grew · 7 steady · 4 fell · 5 newer

Show the 22 schools

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Change in pupils over 10 years
Average class size
Class teachers
Class teachers since 2024/25
DEIS and islands
  1. Griffith Barracks Multi D School Dublin 8Multi-denominational
    403 +60.6%
  2. St Francis Xavier Senior N S Dublin 15
    388 +19.0%
  3. St Columbas Con G & I Dublin 9
    378 −5.0%
  4. Gaelscoil Shliabh Rua Baile Átha Cliath 18GaelscoilMulti-denominational
    359 +529.8%
  5. St Marys School Dublin 24
    349 −9.1%
  6. Stapolin Educate Together National School Dublin 13Multi-denominational
    340 Opened 2019/20
  7. St Davids N S Dublin 5DEIS
    308 −1.9%
  8. Blessed Oliver N S Balbriggan
    298 −13.1%
  9. Scoil an Leinbh Iosa Boys Seniors Dublin 9Boys
    297 +14.7%
  10. St Kilians Senior N S Dublin 24
    296 +41.6%
  11. Harcourt Terrace Educate Together National School Dublin 2Multi-denominational
    294 Opened 2018/19
  12. Scoil Chaitlin Maude Baile Átha Cliath 24GaelscoilMulti-denominationalDEIS
    284 −9.3%
  13. Gaelscoil na Giúise D24 W682GaelscoilMulti-denominational
    278 +434.6%
  14. S N Naomh Finnin Dublin 11DEIS
    266 +15.7%
  15. Cherrywood Educate Together National School Dublin 18Multi-denominational
    220 Opened 2020/21
  16. St Josephs MXD N S Dublin 3DEIS
    211 +7.1%
  17. S N Gleann na gCaorach Iníon Léinín KillineyChurch of Ireland
    211 −9.1%
  18. Clochar San Dominic Dun LaoghaireDEIS
    184 −6.6%
  19. St Bernadettes Junior N S Dublin 22DEIS
    173 −19.9%
  20. St Benedicts and St Marys National School Dublin 5Some subjects through IrishDEIS
    165 +24.1%
  21. Central Infs School Dublin 1DEIS
    149 −15.3%
  22. St Catherines Infant School Dublin 7DEIS
    139 −35.3%
Showing 22 of 22

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.