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Filtered by Co. Dublin Gained a class teacher Clear all

27 schools in Co. Dublin · 2025/26

pupils
7,350
junior infants
1,080
in 3 all-Irish schools
1,003 13.6%
class teachers · 27 gained one · 0 lost one since 2024/25
330 +47 since 2015/16
together since 2015/16

The 17 schools with figures for both years had 4,594 pupils in 2015/16 and have 4,601 now. Schools that have closed, and newer schools, aren’t counted.

+0.2%
Over 10 years

7 grew · 6 steady · 4 fell · 10 newer

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Number of pupils
Change in pupils over 10 years
Average class size
Class teachers
Class teachers since 2024/25
DEIS and islands
  1. St Thomas Junior National School Lucan
    573 +3.1%
  2. Scoil Mhuire LucanGirls
    558 −18.4%
  3. Stepaside Educate Together National School Dublin 18Multi-denominational
    542 +351.7%
  4. Gaelscoil na Fuinseoige Bác 14GaelscoilMulti-denominational
    441 Opened 2016/17
  5. Assumption Junior School Dublin 12DEIS
    434 −17.8%
  6. St Francis Xavier Senior N S Dublin 15
    388 +19.0%
  7. Stapolin Educate Together National School Dublin 13Multi-denominational
    340 Opened 2019/20
  8. Our Lady of Consolation NS Dublin 5DEIS
    310 +41.6%
  9. St Davids N S Dublin 5DEIS
    308 −1.9%
  10. Scoil an Leinbh Iosa Boys Seniors Dublin 9Boys
    297 +14.7%
  11. St Kilians Senior N S Dublin 24
    296 +41.6%
  12. Harcourt Terrace Educate Together National School Dublin 2Multi-denominational
    294 Opened 2018/19
  13. Scoil Chaitlin Maude Baile Átha Cliath 24GaelscoilMulti-denominationalDEIS
    284 −9.3%
  14. Gaelscoil na Giúise D24 W682GaelscoilMulti-denominational
    278 +434.6%
  15. Cherrywood Educate Together National School Dublin 18Multi-denominational
    220 Opened 2020/21
  16. Clochar San Dominic Dun LaoghaireDEIS
    184 −6.6%
  17. Killester Raheny Clontarf Educate Together National School Dublin 5Multi-denominational
    176 Opened 2019/20
  18. Dublin 6 Clonskeagh and Dublin 6W Primary School IrelandMulti-denominational
    174 Opened 2019/20
  19. St Bernadettes Junior N S Dublin 22DEIS
    173 −19.9%
  20. Goatstown Stillorgan Primary School Dublin 14Multi-denominational
    170 Opened 2019/20
  21. St Benedicts and St Marys National School Dublin 5Some subjects through IrishDEIS
    165 +24.1%
  22. Holy Family School GlenagearyDEIS
    149 +26.3%
  23. St Catherines Infant School Dublin 7DEIS
    139 −35.3%
  24. Fionnbarra Naofa B.N.S. Dublin 7BoysDEIS
    126 −5.3%
  25. Rathcoole ETNS NewcastleMulti-denominational
    114 Opened 2020/21
Showing 25 of 27 Show 2 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.