Castleknock Community College
Castleknock Community College is a secondary school in Dublin. 1318 pupils, Multi-denominational ethos, 2 special classes.
The facts
| Type | Secondary school |
|---|---|
| Gender | Mixed |
| Ethos | Multi-denominational |
| Patron | Dublin & Dún Laoghaire ETB |
| Fees | Free |
| Enrolment | 1,318 (673 boys, 645 girls) 2025/26 |
| Language of instruction | English Medium School |
| Roll number | 76062B |
| Eircode | D15A996 |
| Address | Carpenterstown Road, Castleknock, Dublin 15 |
Special classes
2 special classes sanctioned for 26/27:
- 2 × Autism/Autistic Spectrum Disorders
Source: National Council for Special Education. Children in a special class travel under a separate transport scheme with its own rules.
The area around this school
School planning area: Carpenterstown / 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 | John Cronin |
|---|---|
| Phone | 018221626 |
| admin@castleknockcc.ie | |
| Local authority | Fingal County Council |
Other schools in Carpenterstown / D15
- Luttrellstown Community College Secondary school, Dublin
- Scoil Choilm Community Ns Primary school, Dublin
- Scoil Thomais Primary school, Dublin
- St Patricks Ns Primary school, Dublin
How we know
DoE Schools GIS 2026 (CC BY 4.0) — checked 2026-08-27.