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20 schools in Co. Dublin · 2025/26

pupils: 7,228
junior infants: 775
in 1 all-Irish school: 445 6.2%
class teachers · 5 gained one · 2 lost one since 2024/25: 295 +90 since 2015/16
households answered the parent survey: 1,845
together since 2015/16 (about this figure) The 20 schools with figures for both years had 5,415 pupils in 2015/16 and have 7,228 now. Schools that have closed, and newer schools, aren’t counted.: +33.5%

Over 10 years

20 grew · 0 steady · 0 fell

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2 special schools also match this search. Show them too

St Patricks NS Dublin 15
867 pupils +19.1% over 10 years
Scoil Naomh Mearnog Portmarnock
638 pupils +28.4% over 10 years
ST Olaf's National School Dublin 16
591 pupils +30.5% over 10 years
St Marys Central N S Dublin 4
587 pupils +95.0% over 10 years
Holy Trinity National School Dublin 18
586 pupils +37.6% over 10 years
Gaelscoil Chluain Dolcain Baile Átha Cliath 22Gaelscoil
445 pupils +26.8% over 10 years
St. Francis of Assisi National School Dublin 13
434 pupils +11.3% over 10 years
St. John the Evangelist National School Adamstown Castle
417 pupils +16.5% over 10 years
Harolds Cross N S Dublin 6WDEIS
398 pupils +24.0% over 10 years
St Helens Senior N S Portmarnock
381 pupils +42.7% over 10 years
St Josephs Dun LaoghaireDEIS
370 pupils +174.1% over 10 years
Scoil Assaim Boys Seniors Dublin 5
293 pupils +13.1% over 10 years
Holy Cross N S Dublin 14
260 pupils +11.6% over 10 years
Paradise Place ETNS Dublin 7Multi-denominationalDEIS
239 pupils +18.9% over 10 years
Scoil Naomh Colmcille Dublin 13
217 pupils +77.9% over 10 years
Holy Family School GlenagearyDEIS
149 pupils +26.3% over 10 years
Sancta Maria C B S Dublin 8Some subjects through IrishDEIS
103 pupils +58.5% over 10 years
Finglas Parochial National School Dublin 11Church of IrelandDEIS
94 pupils +44.6% over 10 years
Drumcondra N S Dublin 9Church of Ireland
81 pupils +37.3% over 10 years
S N Muire an Sean Baile Oldtown
78 pupils +18.2% over 10 years

Showing 20 of 20

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.

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