| Monday 28th September | School closed |
| Monday 26th October – Friday 30th October | Hallowe’en Mid-term break |
| Tuesday 22nd December | Last day of school before Christmas holidays |
| Wednesday 6th January 2021 | School re-opens |
| Monday 1st February – Friday 12th February | Mock exams for Exam years |
| Monday 15th – Friday 19th February | Mid-term break. School closed |
| Wednesday 17th March | St Patrick’s Day |
| Friday 26th March | Last day of term before Easter holidays |
| Monday 12th April | School re-opens |
| Monday 3rd May | May Bank Holiday |
| Friday 4th June | Last day of term. End of school year |
| Wednesday 9th June | Start of the State Exams |
In the event of unforeseen school closures, the Department of Education and Skills may opt to reduce the length of the February mid-term break by remaining open up to and including Wednesday 17th February 2021 and reduce the length of the Easter break by remaining open up to and including Wednesday 31st March 2021.