St Marys Sen N S
St Marys Sen N S is a primary school in Dublin. 204 pupils, Catholic ethos, 3 special classes, DEIS.
The facts
| Type | Primary school |
|---|---|
| Gender | Mixed |
| Ethos | Catholic |
| Patron | Archbishop of Dublin |
| Fees | Free |
| Enrolment | 204 (108 boys, 96 girls) 2025/26 |
| Language of instruction | English Medium School |
| DEIS | Yes — this school is in the DEIS programme |
| Roll number | 19647I |
| Eircode | D22WN40 |
| Address | ROWLAGH, CLONDALKIN, DUBLIN 22 |
Special classes
3 special classes sanctioned for 26/27:
- 2 × Autism/Autistic Spectrum Disorders
- 1 × Mild General Learning Disability
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: Palmerstown / Ronanstown / D20 / 22. 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-moorfield at -15.18 (Disadvantaged), where 0 is the national average. 19% of adults there hold a third-level qualification.
Contact
| Principal | Aileen Twomey |
|---|---|
| Phone | 016262563 |
| secretary@stmarysrowlaghsns.ie | |
| Local authority | South Dublin County Council |
Other schools in Palmerstown / Ronanstown / D20 / 22
- Collinstown Park Community College Secondary school, Dublin
- Neillstown N S Primary school, Dublin
- St Bernadettes Junior N S Primary school, Dublin
- St Bernadettes Senior N S Primary school, Dublin
- St Marys Junior N S Primary school, Dublin
- St Peter Apostle Sen Ns Primary school, Dublin
- The Kings Hospital Secondary school, Dublin
How we know
DoE Schools GIS 2026 (CC BY 4.0) — checked 2026-08-27.