Mount Sackville Secondary School, St Columba's College or Castleknock College?
Up to three schools, side by side.
| Mount Sackville Secondary SchoolRemove | St Columba's CollegeRemove | Castleknock CollegeRemove | |
|---|---|---|---|
| Town | Dublin 20, Co. Dublin | Dublin 16, Co. Dublin | Dublin 15, Co. Dublin |
| Students | 636 | 357 | 771 |
| Type | Voluntary secondary school | Voluntary secondary school | Voluntary secondary school |
| Fees | Fee‑paying | Fee‑paying | Fee‑paying |
| Next open night or deadline | Applications close, Wed, 21 Oct | Applications close, Thu, 22 Oct | Applications close, Thu, 22 Oct |
| Boys and girls | Girls | Mixed (197 boys, 160 girls) | Boys |
| Ethos | Catholic | Church of Ireland | 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 and boarding | Day |
| DEIS | No | No | No |
| Distance from the first school | 11.9 km | 1.2 km | |
| Roll number | 60120W | 60320H | 60100Q |
| Inspection reports | Read on gov.ie for Mount Sackville Secondary School | Read on gov.ie for St Columba's College | Read on gov.ie for Castleknock College |
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.