Coláiste Íosagáin
Baile an Bhóthair, Dublin
Key facts
- Irish-medium
- Girls
- Pupils enrolled
- 488 smaller than the median Irish post-primary school (585 pupils)
- Ethos
- Catholic
- Teaching through Irish
- All pupils taught all subjects through Irish
- Roll number
- 60042F the Department of Education reference for this school
School details
About
Coláiste Íosagáin is a Catholic girls' secondary school on the Stillorgan Road in Baile an Bhóthair, Dublin, operating under the Edmund Rice Schools Trust. All subjects are taught through Irish. Pupils follow a six-year programme: three years of Junior Cycle, a compulsory Transition Year, and two years leading to the Leaving Certificate. Junior Cycle subjects include Gaeilge, English, Mathematics, History, Geography, French, German, Science, CSPE, Technical Graphics, Art, Music, Home Economics, Business, Choir, Physical Education and SPHE. Leaving Certificate options include French, German, History, Geography, Music, Art, Home Economics, Design and Communication Graphics, Biology, Chemistry, Physics, Business, Economics and Applied Maths. The school shares a campus with Coláiste Eoin, and the two schools work together. Extra-curricular activity includes music, sport, debating, drama and a library. The school states its aim as running as a centre of learning where Irish traditions, faith, language, music and culture are promoted.
Applying to Coláiste Íosagáin
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 Coláiste Íosagáin. 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 Coláiste Íosagáin
How many pupils attend Coláiste Íosagáin?
Coláiste Íosagáin has 488 pupils enrolled. That makes it smaller than the median Irish post-primary school, which has 585 pupils.
Is Coláiste Íosagáin a DEIS school?
No. Coláiste Íosagáin 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.
Does Coláiste Íosagáin teach through Irish?
Yes. Coláiste Íosagáin teaches all subjects through Irish.