St Thomas Senior National School
Tallaght, Dublin
Key facts
- DEIS
- Mixed
- Pupils enrolled
- 331 larger than the median Irish primary school (123 pupils)
- Girls and boys
- 168 girls, 163 boys
- Ethos
- Catholic
- Teaching through Irish
- No subjects through Irish
- Roll number
- 19765O the Department of Education reference for this school
School details
Location
About
St Thomas Senior National School is a vibrant primary‑level institution that provides a balanced, child‑centred curriculum rooted in the Irish National Framework. The school places a strong emphasis on holistic development, integrating core academic subjects with a wide range of enrichment activities such as science investigations, sports sessions with Daly Fitness, creative arts projects, and cultural exchanges with partner schools abroad. Regular programmes like Cook & Move, mindfulness and wellbeing sessions, and parent webinars support healthy lifestyles and community engagement. The school is equipped with dedicated spaces for learning and play, including specialist areas for occupational and speech‑language therapy, as well as resources for additional educational needs. A robust online presence offers parents access to homework portals, a school calendar, and a suite of support services covering online safety, primary curriculum guidance, and the Accelerated Reader programme. Through initiatives such as the Student Council, Grandparents Day, and charitable events like the annual Christmas raffle, St Thomas fosters a supportive, inclusive environment that encourages pupils to develop confidence, curiosity and a love of learning.
Applying to St Thomas Senior 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
View St Thomas Senior National School's own calendar (2026/2027 school year)
Irish schools follow a standardised school year, so these nationwide primary school dates apply broadly to St Thomas Senior National School. The school publishes its own calendar, linked above, and that is the authoritative source for its reopening date and discretionary closure days.
- 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 Thomas Senior National School
How many pupils attend St Thomas Senior National School?
St Thomas Senior National School has 331 pupils enrolled, 168 girls and 163 boys. That makes it larger than the median Irish primary school, which has 123 pupils.
Is St Thomas Senior National School a DEIS school?
Yes. St Thomas Senior 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 Thomas Senior National School?
St Thomas Senior National School has a Catholic ethos. It is a mixed primary school.