ST Olaf's National School
ST Olaf's National School is a primary school in Dundrum. 591 pupils, Catholic ethos.
The facts
| Type | Primary school |
|---|---|
| Gender | Mixed |
| Ethos | Catholic |
| Patron | Archbishop of Dublin |
| Fees | Free |
| Enrolment | 591 (307 boys, 284 girls) 2025/26 |
| Language of instruction | English Medium School |
| Roll number | 19319O |
| Eircode | D16E067 |
| Address | Balally Drive, Dundrum, Dublin 16 |
Special classes
The NCSE lists no special class at this school for the coming year.
The area around this school
School planning area: Goatstown / Stillorgan / DLR. 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 D16 (Dublin 16) was €643,000 in 2025. That is up 32.6% since 2020. CSO figures for the whole district, not the streets beside the school.
Area profile: the Pobal HP Deprivation Index rates Dundrum-balally at 8.21 (Marginally Above Average), where 0 is the national average. 62% of adults there hold a third-level qualification.
Contact
| Principal | John Murtagh |
|---|---|
| Phone | 012956513 |
| office@stolafs.ie | |
| Local authority | Dun Laoghaire Rathdown |
Other schools in Goatstown / Stillorgan / DLR
- Gaelscoil Laighean Primary school, Mount Merrion
- Goatstown Educate Together SS Secondary school, Churchtown
- Holy Cross NS, Dundrum Primary school, Dundrum
- Mount Anville Secondary school, Mount Merrion
- Our Lady's Grove Secondary school, Goatstown
- Our Ladys N S Primary school, Churchtown
- Our lady's Grove Primary School Primary school, Clonskeagh
- S N Cnoc Ainbhil Primary school, Stillorgan
- S N Naomh Lorcan Primary school, Stillorgan
- St Benildus College Secondary school, Stillorgan
- St Brigids N S Primary school, Stillorgan
- St Raphaela's Secondary school, Stillorgan
How we know
DoE Schools GIS 2026 (CC BY 4.0) — checked 2026-08-27.