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Filtered by Co. Dublin Steady Gained a class teacher Clear all

14 schools in Co. Dublin · 2025/26

pupils
3,810
junior infants
553
in 2 all-Irish schools
686 18.0%
class teachers · 14 gained one · 0 lost one since 2024/25
172 +13 since 2015/16
together since 2015/16

The 14 schools with figures for both years had 3,996 pupils in 2015/16 and have 3,810 now. Schools that have closed, and newer schools, aren’t counted.

−4.7%
Over 10 years

0 grew · 14 steady · 0 fell

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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. St Fintans NS Dublin 13
    431 −8.3%
  3. Gaelscoil Thaobh na Coille Baile Átha Cliath 18Gaelscoil
    402 −9.0%
  4. St Columbas Con G & I Dublin 9
    378 −5.0%
  5. St Marys School Dublin 24
    349 −9.1%
  6. St Davids N S Dublin 5DEIS
    308 −1.9%
  7. Scoil Chaitlin Maude Baile Átha Cliath 24GaelscoilMulti-denominationalDEIS
    284 −9.3%
  8. St Josephs MXD N S Dublin 3DEIS
    211 +7.1%
  9. S N Gleann na gCaorach Iníon Léinín KillineyChurch of Ireland
    211 −9.1%
  10. Clochar San Dominic Dun LaoghaireDEIS
    184 −6.6%
  11. Dominican Convent Girls Senior School Dublin 7GirlsDEIS
    148 −3.9%
  12. Fionnbarra Naofa B.N.S. Dublin 7BoysDEIS
    126 −5.3%
  13. Our Lady of Wayside N S Dublin 12DEIS
    114 +4.6%
  14. Zion Parish Primary School Dublin 6Church of Ireland
    91 −6.2%
Showing 14 of 14

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.