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

64 schools in Co. Dublin · 2025/26

pupils
19,124
junior infants
1,783
in 9 all-Irish schools
2,410 12.6%
class teachers · 7 gained one · 7 lost one since 2024/25
828 +76 since 2015/16
together since 2015/16

The 64 schools with figures for both years had 19,539 pupils in 2015/16 and have 19,124 now. Schools that have closed, and newer schools, aren’t counted.

−2.1%
Over 10 years

0 grew · 64 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. Gaelscoil Bhrian Bóroimhe SordGaelscoilInter-denominational
    441 −7.0%
  2. Adamstown Castle Educate Together National School AdamstownMulti-denominational
    431 +8.0%
  3. S N San Treasa Mount Merrion
    430 −5.7%
  4. Mary Mother of Hope Senior NS Dublin 15
    429 −7.7%
  5. Monkstown Eucate Together NS Dun LaoghaireMulti-denominational
    415 −5.3%
  6. Belmayne Educate Together National School Dublin 13Multi-denominationalDEIS
    413 +4.8%
  7. Our lady's Grove Primary School Dublin 14
    409 −6.2%
  8. S N Muire agus Iosef Dublin 13
    396 −7.9%
  9. Rush and Lusk Educate Together NS LuskMulti-denominational
    393 −2.2%
  10. Scoil Maelruain Senior Test Address
    386 +1.3%
  11. S N Eoin Baisde Girls Senior Dublin 3Girls
    380 −8.4%
  12. St Columbas Con G & I Dublin 9
    378 −5.0%
  13. Scoil Treasa Firhouse Dublin 24
    377 −3.6%
  14. Ballyroan B N S Dublin 16Boys
    375 +5.3%
  15. St Andrews N S LucanChurch of Ireland
    374 +9.0%
  16. Belgard Heights N S Dublin 24DEIS
    372 −2.1%
  17. St Attractas Senior N S Dublin 16
    371 +6.9%
  18. St Patricks Boys National School DonabateBoys
    370 −3.4%
  19. Scoil Bhride Dublin 13
    365 −3.9%
  20. Scoil Chronain Ráth CúilGaelscoil
    354 +9.9%
  21. St Marys School Dublin 24
    349 −9.1%
  22. Scoil Mhuire MXD Howth
    349 −3.9%
  23. St Patricks SNR Mixed Skerries
    338 −0.3%
  24. St Attractas Junior N S Dublin 16
    337 −2.6%
  25. S N Mhuire na mBrathar Marino
    336 +6.0%
Showing 25 of 64 Show 25 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.