Castleknock College, O'Connell School or Mount Sackville Secondary School?
Up to three schools, side by side.
| Castleknock CollegeRemove | O'Connell SchoolRemove | Mount Sackville Secondary SchoolRemove | |
|---|---|---|---|
| Town | Dublin 15, Co. Dublin | Dublin 1, Co. Dublin | Dublin 20, Co. Dublin |
| Students | 771 | 222 | 636 |
| Type | Voluntary secondary school | Voluntary secondary school | Voluntary secondary school |
| Fees | Fee‑paying | Free | Fee‑paying |
| Next open night or deadline | Applications close, Thu, 22 Oct | None found yet | Applications close, Wed, 21 Oct |
| Boys and girls | Boys | Boys | Girls |
| Ethos | Catholic | Catholic | Catholic |
| Taught through | English | English | English |
| Transition Year | Most students take it | Most students take it | Most students take it |
| Day or boarding | Day | Day | Day |
| DEIS | No | Yes | No |
| Distance from Castleknock College | 7.9 km | 1.2 km | |
| Roll number | 60100Q | 60440R | 60120W |
| Inspection reports | Read on gov.ie for Castleknock College | Read on gov.ie for O'Connell School | Read on gov.ie for Mount Sackville Secondary School |
Follow all 3 schools' dates. Get a notification the day before an open night, and before applications close.
On iPhone: tap Share, then Add to Home Screen, and open secondaryschool.ie from there to turn on notifications. Or use your calendar below.
Or add their dates to your calendar. New dates appear as we find them:
Figures from the Department of Education's latest published data. Distances are in a straight line. How to choose a secondary school.