St Marys Sen National School
CLONDALKIN, Dublin
Key facts
- DEIS
- Mixed
- Pupils enrolled
- 204 larger than the median Irish primary school (123 pupils)
- Girls and boys
- 96 girls, 108 boys
- Ethos
- Catholic
- Teaching through Irish
- No subjects through Irish
- Roll number
- 19647I the Department of Education reference for this school
School details
Location
About
St Mary’s Senior National School is a Catholic primary school situated in Rowlagh, Clondalkin, Dublin 22. It provides education for children aged eight to twelve, covering third to sixth class. The school operates a mainstream class, a Multigrade Learning (MGLD) setting, and two dedicated autism classes, reflecting a commitment to inclusive education and tailored support for diverse learning needs. The school’s ethos centres on partnership with families and the local community to create a positive, happy place of learning. Emphasis is placed on fostering a safe and valued environment where every child receives a warm welcome and their voice is integral to school life. A range of extracurricular activities, such as art club projects (including basket weaving and clay making), complement the curriculum and encourage creativity and personal development.
Applying to St Marys Sen National School
For a September 2027 place, a school's formal admissions process cannot begin before 1 October 2026. The school sets its own opening and closing dates in its annual admission notice.
National term dates 2026/27
Irish schools follow a standardised school year, so these nationwide primary school dates apply broadly to St Marys Sen National School. Individual schools set their own discretionary closure days, confirm exact dates with the school.
- October Mid-Term Break: Mon 26 Oct – Fri 30 Oct 2026
- Christmas Holidays: Wed 23 Dec 2026 – Tue 5 Jan 2027
- February Mid-Term Break: Thu 18 Feb – Fri 19 Feb 2027 (post-primary schools: Mon 15 Feb – Fri 19 Feb 2027)
- Easter Holidays: Mon 22 Mar – Sun 4 Apr 2027
Primary schools close for the last two days of the February mid-term week and may use discretionary days to take the full week, so their break can be shorter than post-primary schools'.
Frequently asked questions about St Marys Sen National School
How many pupils attend St Marys Sen National School?
St Marys Sen National School has 204 pupils enrolled, 96 girls and 108 boys. That makes it larger than the median Irish primary school, which has 123 pupils.
Is St Marys Sen National School a DEIS school?
Yes. St Marys Sen National School is part of DEIS, the Department of Education programme called Delivering Equality of Opportunity in Schools. DEIS schools serve communities at risk of educational disadvantage and receive additional supports, which can include smaller classes, extra teaching posts and funding for books and meals.
What is the ethos of St Marys Sen National School?
St Marys Sen National School has a Catholic ethos. It is a mixed primary school.