St. Mary's College C.S.Sp., Rathmines
Dublin 6, Dublin
Key facts
- Boys
- Pupils enrolled
- 500 smaller than the median Irish post-primary school (585 pupils)
- Ethos
- Catholic
- Teaching through Irish
- No subjects taught through Irish
- Roll number
- 60560E the Department of Education reference for this school
School details
About
St Mary’s College C.S.Sp., Rathmines is an all‑boys secondary school situated on Rathmines Road, Dublin 6. Founded in 1890, the college has grown to accommodate approximately 500 pupils, offering a continuous educational pathway from First Year through to Sixth Year. As a senior school, it provides the full range of post‑primary programmes that lead to the state examinations, supporting students in both academic and personal development. The college’s long‑standing presence in the heart of Dublin reflects a commitment to fostering a disciplined yet supportive learning environment. With facilities designed to cater for a broad curriculum, the school encourages participation in a variety of extracurricular activities, reinforcing the development of well‑rounded individuals prepared for further education and future endeavours.
History
St Mary’s College C.S.Sp., Rathmines was established in 1890 and has since operated as an all‑boys secondary school in Dublin, maintaining a tradition of over a century of education.
Applying to St. Mary's College C.S.Sp., Rathmines
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 post-primary school dates apply broadly to St. Mary's College C.S.Sp., Rathmines. 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: Mon 15 Feb – Fri 19 Feb 2027 (primary schools: Thu 18 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. Mary's College C.S.Sp., Rathmines
How many pupils attend St. Mary's College C.S.Sp., Rathmines?
St. Mary's College C.S.Sp., Rathmines has 500 pupils enrolled. That makes it smaller than the median Irish post-primary school, which has 585 pupils.
Is St. Mary's College C.S.Sp., Rathmines a DEIS school?
No. St. Mary's College C.S.Sp., Rathmines 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. Mary's College C.S.Sp., Rathmines?
St. Mary's College C.S.Sp., Rathmines has a Catholic ethos. It is a boys' post-primary school.