Scoil Mhuire Senior (Sinsear) National School
Mulhuddart, Dublin
Key facts
- DEIS
- Mixed
- Pupils enrolled
- 207 larger than the median Irish primary school (123 pupils)
- Girls and boys
- 97 girls, 110 boys
- Ethos
- Catholic
- Teaching through Irish
- No subjects through Irish
- Roll number
- 19694R the Department of Education reference for this school
School details
Location
About
Scoil Mhuire Senior (Sinsear) NS is a co‑educational Catholic primary school operating under the patronage of the Archbishop of Dublin. It provides education for children in 3rd to 6th class, organising three classes per year and serving roughly 300 pupils. The school’s ethos centres on creating a safe, happy and nurturing environment where children can grow academically and socially alongside their peers. The school places a strong emphasis on wellbeing and safety, with staff dedicated to maintaining a secure setting for all pupils. As a recognised Green School, Scoil Mhuire Senior earned its first An Taisce green flag in 2009 and a third flag in 2014, reflecting a commitment to environmental stewardship and sustainable practices. Modern facilities support learning and community engagement, including online fee payment options and a range of resources for subjects such as maths, English, science, history and geography.
Applying to Scoil Mhuire Senior (Sinsear) 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 Scoil Mhuire Senior (Sinsear) 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 Scoil Mhuire Senior (Sinsear) National School
How many pupils attend Scoil Mhuire Senior (Sinsear) National School?
Scoil Mhuire Senior (Sinsear) National School has 207 pupils enrolled, 97 girls and 110 boys. That makes it larger than the median Irish primary school, which has 123 pupils.
Is Scoil Mhuire Senior (Sinsear) National School a DEIS school?
Yes. Scoil Mhuire Senior (Sinsear) 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 Scoil Mhuire Senior (Sinsear) National School?
Scoil Mhuire Senior (Sinsear) National School has a Catholic ethos. It is a mixed primary school.