School Numbers
Menu
Find schools Counties Irish-medium Special schools About the data

Find schools

Within
Filtered by Co. Dublin Steady Clear all

152 schools in Co. Dublin · 2025/26

pupils
47,557
junior infants
4,704
in 16 all-Irish schools
4,390 9.2%
class teachers · 14 gained one · 15 lost one since 2024/25
2,018 +146 since 2015/16
together since 2015/16

The 152 schools with figures for both years had 48,996 pupils in 2015/16 and have 47,557 now. Schools that have closed, and newer schools, aren’t counted.

−2.9%
Over 10 years

0 grew · 152 steady · 0 fell

Filters

Clear all
Boys, girls or mixed
School type
Ethos
Teaching language
Number of pupils
Change in pupils over 10 years
Average class size
Class teachers
Class teachers since 2024/25
DEIS and islands

20 special schools also match this search. Show them too

  1. St Oliver Plunkett Malahide
    838 −9.6%
  2. S N Naomh Mochta Dublin 15
    805 −8.8%
  3. St Colmcille Senior N S Dublin 16
    744 +4.9%
  4. Scoil Choilm Community NS Dublin 15Multi-denominationalDEIS
    698 −2.6%
  5. Rush NS Rush
    698 −6.6%
  6. Holy Family National School Rathcoole
    671 +6.8%
  7. S N Naomh Mhuire Saggart
    666 +7.2%
  8. John Paul II N S Malahide
    663 −2.5%
  9. The Harold School Glasthule
    642 −5.6%
  10. Holy Family Senior N S Swords
    624 +0.3%
  11. St Benedicts National School Dublin 15
    622 −6.3%
  12. St Fiachras Sen N S Dublin 5
    609 −3.8%
  13. Carysfort NS Blackrock
    583 +7.0%
  14. St Thomas Junior National School Lucan
    573 +3.1%
  15. St Pius X G N S Dublin 6WGirls
    540 +3.1%
  16. Brackenstown Senior N S Swords
    530 −6.2%
  17. St Pius X N S Boys Dublin 6Boys
    511 −3.4%
  18. Lucan B N S LucanBoys
    501 −0.8%
  19. St Brigids Girls N S Dublin 18Girls
    499 −8.4%
  20. St Marks Sen NS Dublin 24DEIS
    497 −3.5%
  21. Scoil Lorcáin Baile na ManachGaelscoil
    485 −0.6%
  22. Mother of Divine Grace Dublin 11DEIS
    480 −2.8%
  23. St Canices G N S Dublin 11GirlsDEIS
    473 +4.2%
  24. St Patrick GNS Dublin 16
    472 −8.5%
  25. Griffeen Valley Educate Together NS LucanMulti-denominational
    466 −4.3%
School Pupils Since 2015/16 Average class Class teacherschange on 2024/25 Junior infants
St Oliver Plunkett Malahide, Co. Dublin · Roll 17914S 838
−9.6%
24.9 33 90
S N Naomh Mochta Dublin 15 · Roll 18778S 805
−8.8%
25.0 32 91
St Colmcille Senior N S Dublin 16 · Roll 19742C 744
+4.9%
25.7 29 0
Scoil Choilm Community NS Dublin 15 · Roll 20241K Multi-denominationalDEIS 698
−2.6%
22.1 31 54
Rush NS Rush, Co. Dublin · Roll 19660A 698
−6.6%
24.1 29 98
Holy Family National School Rathcoole, Co. Dublin · Roll 13217W 671
+6.8%
28.0 24 72
S N Naomh Mhuire Saggart, Co. Dublin · Roll 17055T 666
+7.2%
26.8 24 74
John Paul II N S Malahide, Co. Dublin · Roll 19627C 663
−2.5%
25.5 26 0
The Harold School Glasthule, Co. Dublin · Roll 20141G 642
−5.6%
23.6 27 83
Holy Family Senior N S Swords, Co. Dublin · Roll 19877C 624
+0.3%
25.2 −124 0
St Benedicts National School Dublin 15 · Roll 20231H 622
−6.3%
25.9 24 71
St Fiachras Sen N S Dublin 5 · Roll 19628E 609
−3.8%
25.4 −124 0
Carysfort NS Blackrock, Co. Dublin · Roll 14586M 583
+7.0%
24.3 24 82
St Thomas Junior National School Lucan, Co. Dublin · Roll 19542R 573
+3.1%
25.8 +122 150
St Pius X G N S Dublin 6W · Roll 19178W Girls 540
+3.1%
27.0 20 53
Brackenstown Senior N S Swords, Co. Dublin · Roll 19535U 530
−6.2%
22.3 23 0
St Pius X N S Boys Dublin 6 · Roll 19177U Boys 511
−3.4%
25.6 20 53
Lucan B N S Lucan, Co. Dublin · Roll 00714P Boys 501
−0.8%
23.6 21 53
St Brigids Girls N S Dublin 18 · Roll 16353W Girls 499
−8.4%
24.9 20 43
St Marks Sen NS Dublin 24 · Roll 19390U DEIS 497
−3.5%
23.1 21 0
Scoil Lorcáin Baile na Manach, Co. Dublin · Roll 18451J Gaelscoil 485
−0.6%
25.5 19 60
Mother of Divine Grace Dublin 11 · Roll 20059V DEIS 480
−2.8%
23.4 20 55
St Canices G N S Dublin 11 · Roll 18683H GirlsDEIS 473
+4.2%
19.7 24 52
St Patrick GNS Dublin 16 · Roll 19114T 472
−8.5%
23.4 −120 91
Griffeen Valley Educate Together NS Lucan, Co. Dublin · Roll 20166W Multi-denominational 466
−4.3%
22.8 20 65
Showing 25 of 152 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.