2025-2026 College Open Days
(See HEI websites for further details of open days)| Code | HEI | Dates & Times (where supplied by HEI) |
| AC | American College, Dublin 2 | |
| AD | National College of Art and Design, Dublin 8 | |
| AU | Atlantic Technological University | |
| BY | IBAT College Dublin, Dublin 2 | |
| CK | University College Cork (NUI) | UCC Undergraduate Open Day 2026, Saturday, 10 October 2026 Online CAO Q&A, Wednesday, 13 January 2026 UCC Undergraduate Open Evening 2026, Thursday, 18 March 2026 For more information: www.ucc.ie/openday |
| CM | Marino Institute of Education, Dublin 9 | |
| CT | CCT College Dublin, Dublin 2 | |
| DB | Dublin Business School, Dublin 2 | |
| DC | Dublin City University, Dublin 9 | |
| DK | Dundalk Institute of Technology | |
| DL | Dun Laoghaire Institute of Art, Design and Technology | |
| DN | University College Dublin (NUI), Dublin 4 | |
| DS | Dorset College, Dublin 1 | |
| GB | Galway Business School | |
| GC | Griffith College, Dublin 8 | |
| GY | University of Galway | |
| ID | ICD Business School, Dublin 2 | |
| LM | University of Limerick, Ireland | |
| MH | Maynooth University, Co Kildare | |
| MI | Mary Immaculate College, Limerick | |
| MT | Munster Technological University | |
| MU | St Patrick's Pontifical University, Maynooth, Co Kildare | |
| NC | National College of Ireland (NCI), Dublin 1 | |
| PC | Carlow College, St. Patrick`s | |
| RC | RCSI University of Medicine & Health Sciences, Dublin 2 | |
| SC | Setanta College | |
| SE | South East Technological University | |
| TR | Trinity College Dublin, Dublin 2 | Trinity Undergraduate Open Day 2026: Saturday, 21st November, 2026 Further information is available at www.tcd.ie/cao/ |
| TU | Technological University Dublin | |
| US | Technological University of the Shannon |