St Marys National School
Lucan, Dublin
Key facts
- Mixed
- Pupils enrolled
- 483 larger than the median Irish primary school (123 pupils)
- Girls and boys
- 219 girls, 264 boys
- Ethos
- Catholic
- Teaching through Irish
- No subjects through Irish
- Roll number
- 19817H the Department of Education reference for this school
School details
Location
About
St Mary’s Boys’ National School is a Catholic vertical primary school serving Junior Infants through sixth class in Lucan Village, ten kilometres west of Dublin city centre. The school provides a child‑centred education rooted in Christian values such as respect, honesty, kindness, tolerance and happiness, and operates under the patronage of the Archbishop of Dublin. A broad and balanced curriculum is delivered with an emphasis on quality teaching, life‑skill development and inclusive practice for all pupils, including those with special educational needs. The campus comprises twenty modern classrooms equipped with interactive touchscreen boards, air purifiers and CO₂ monitors, alongside eight resource rooms and a dedicated sensory room. Extensive sporting facilities include two football pitches, three distinct play areas, a small sports hall, an astro‑covered enclosure with a climbing wall, sports wall and basketball court. Digital learning is supported by over 50 shared iPads, a school app for weekly newsletters, and platforms such as Aladdin and Google Classroom. Extra‑curricular clubs range from maths and Gaeilge to hurling, football and STEM activities, fostering a well‑rounded experience for every boy.
History
The school was founded in 1864 beside St Mary’s Church. In 1965 it relocated to a new five‑classroom building on Chapel Hill, and has since expanded to twenty classrooms serving 524 boys and a staff of 40.
Applying to St Marys 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.
School-published admissions links
These links come from the school's published admissions material. Check the school year shown before relying on dates or place numbers.
National term dates 2026/27
Irish schools follow a standardised school year, so these nationwide primary school dates apply broadly to St Marys 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 National School
How many pupils attend St Marys National School?
St Marys National School has 483 pupils enrolled, 219 girls and 264 boys. That makes it larger than the median Irish primary school, which has 123 pupils.
Is St Marys National School a DEIS school?
No. St Marys National School is not part of DEIS, the Department of Education programme of additional supports for schools serving communities at risk of educational disadvantage. Not holding DEIS status says nothing about how good a school is, only about the profile of the community it serves.
What is the ethos of St Marys National School?
St Marys National School has a Catholic ethos. It is a mixed primary school.