Castleknock College
Castleknock College is a secondary school boys only in Dublin. 771 pupils, Catholic ethos, fee-paying.
The facts
| Type | Secondary school |
|---|---|
| Gender | Boys only |
| Ethos | Catholic |
| Patron | Congregation of the Missions (Vincentians) |
| Fees | Fee-paying — amount not confirmed. This school does not publish a figure we could trace to a page. |
| Enrolment | 771 (771 boys, 0 girls) 2025/26 |
| Language of instruction | English Medium School |
| Roll number | 60100Q |
| Eircode | D15PD95 |
| Address | College Rd, Castleknock, Dublin 15 |
Special classes
The NCSE lists no special class at this school for the coming year.
The area around this school
School planning area: Castleknock / D15. This is how the Department plans where to build capacity. It is not a catchment.
Local house prices: the median residential sale price in Eircode district D15 (Dublin 15) was €446,000 in 2025. That is up 29.3% since 2020. CSO figures for the whole district, not the streets beside the school.
Area profile: the Pobal HP Deprivation Index rates Castleknock-knockmaroon at 10.69 (Affluent), where 0 is the national average. 64% of adults there hold a third-level qualification.
Contact
| Principal | Ms Elaine Kelly |
|---|---|
| Phone | 018213051 |
| principalpa@castleknockcollege.ie | |
| Local authority | Fingal County Council |
Other schools in Castleknock / D15
- Castleknock Educate Together Ns Primary school, Dublin
- Edmund Rice College Secondary school, Dublin
- Mount Sackville Secondary School Secondary school, Dublin
- Scoil Mhuire Primary school, Dublin
- Scoil Naisunta Chnuacha Primary school, Dublin
- St Brigids Mxd N S Primary school, Dublin
- St Michaels Spec School Special school, Dublin 20
How we know
DoE Schools GIS 2026 (CC BY 4.0) — checked 2026-08-27.