Primary school

Scoil San Treasa

Mount Merrion, Dublin

Watercolour illustration of the Scoil San Treasa building, Blackrock
Illustration of Scoil San Treasa.

Key facts

  • Mixed
Pupils enrolled
430 larger than the median Irish primary school (123 pupils)
Girls and boys
210 girls, 220 boys
Ethos
Catholic
Teaching through Irish
No subjects through Irish
Roll number
18647D the Department of Education reference for this school

School details

Address
The Rise, Mount Merrion
Location
Mount Merrion, Dublin
School type
Primary
Latest inspection reports
View on gov.ie

Location

About

Scoil San Treasa is a Roman Catholic primary school serving the Mount Merrion community, welcoming pupils of all backgrounds while upholding an inclusive Catholic ethos. The school’s curriculum is broad‑based, with dedicated focus on STEM, wellbeing, sports and cultural activities, and it promotes the full development of each child – intellectually, physically, culturally, morally and spiritually. Recent investment in a new building project, highlighted on the website, demonstrates a commitment to modern, well‑equipped learning environments that support contemporary teaching methods and digital learning initiatives. The school is governed by a Board of Management and works closely with an active Parents’ Association, fostering strong home‑school partnership. Regular communication through news updates, a school calendar and a range of extracurricular programmes such as the FUSE initiative, orchestra and charity work, ensures a vibrant school life. Emphasis on community, celebration of achievement and a supportive atmosphere aim to nurture confident, caring learners prepared for future challenges.

History

Scoil San Treasa was established to provide primary education to the parishioners of Mount Merrion. While founded with a Catholic foundation, the school has always welcomed pupils of different persuasions, respecting each child’s religious outlook and promoting an inclusive environment.

Applying to Scoil San Treasa

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 San Treasa. 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 San Treasa

How many pupils attend Scoil San Treasa?

Scoil San Treasa has 430 pupils enrolled, 210 girls and 220 boys. That makes it larger than the median Irish primary school, which has 123 pupils.

Is Scoil San Treasa a DEIS school?

No. Scoil San Treasa 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 Scoil San Treasa?

Scoil San Treasa has a Catholic ethos. It is a mixed primary school.