Coláiste Chilliain
Coláiste Chilliain is a secondary school irish-medium in Dublin. 400 pupils, Multi-denominational ethos.
The facts
| Type | Secondary school |
|---|---|
| Gender | Mixed |
| Ethos | Multi-denominational |
| Patron | Dublin & Dún Laoghaire ETB |
| Fees | Free |
| Enrolment | 400 (176 boys, 224 girls) 2025/26 |
| Language of instruction | Irish Medium School |
| Roll number | 70100W |
| Eircode | D22EW08 |
| Address | Bóthar Nangor, Cluain Dolcáin, Baile Atha Cliath 22 |
Special classes
The NCSE lists no special class at this school for the coming year.
The area around this school
School planning area: Clondalkin / D22. 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 D22 (Dublin 22) was €420,000 in 2025. That is up 57.9% since 2020. CSO figures for the whole district, not the streets beside the school.
Area profile: the Pobal HP Deprivation Index rates Clondalkin-dunawley at -12.15 (Disadvantaged), where 0 is the national average. 20% of adults there hold a third-level qualification.
Contact
| Principal | Martha Ní Chathasaigh |
|---|---|
| Phone | 014574888 |
| eolas@colaistechilliain.ie | |
| Local authority | South Dublin County Council |
Other schools in Clondalkin / D22
- Coláiste Bríde Secondary school, Dublin
- Deansrath Community College Secondary school, Dublin
- Gaelscoil Chluain Dolcain Primary school, Dublin
- Gaelscoil Na Camoige Primary school, Dublin
- Moyle Park College Secondary school, Dublin
- Our Lady Queen Of Apostles Primary school, Dublin
- S N Naomh Eoin Primary school, Dublin
- Sacred Heart N S Primary school, Dublin
- Scoil Mhuire Primary school, Dublin
- Scoil Mochua Special school, Dublin 22
- Scoil Nano Nagle Primary school, Dublin
- Scoil Naomh Aine Primary school, Dublin
How we know
DoE Schools GIS 2026 (CC BY 4.0) — checked 2026-08-27.