2026 - beginning of year
Thursday 22 January 2026 - Staff Only Day
Thursday 22 January 2026 - Course confirmation (12.45pm - 2.00pm) Year 12 & Year 13 subject changes
Friday 23 January 2026 - Staff Only Day
Monday 26 January 2026 - Auckland Anniversary Day - school closed
Tuesday 27 January 2026 - First day for students in Years 7, 8, 13 and for Year 9 students new to St Mary's College
Wednesday 28 January 2026 - Full school in attendance
Thursday 29 January 2026 - Full school in attendance
Friday 30 January 2026 - Full school in attendance
Friday 6 February 2026 - Waitangi Day - school closed
Term Dates - 2026
| Term 1 | Tuesday 27 January 2026 - Thursday 2 April 2026 |
| Term 2 | Monday 20 April 2026 - Friday 3 July 2026 |
| Term 3 | Monday 20 July 2026 - Friday 25 September 2026 |
| Term 4 | Monday 12 October 2026 - TBA December 2026 |
Public Holidays - 2026
| New Year’s Day | Thursday 1 January 2026 |
| Day After New Year's Day | Friday 2 January 2026 |
| Auckland Anniversary Day | Monday 26 January 2026 |
| Waitangi Day | Friday 6 February 2026 |
| Good Friday | Friday 3 April 2026 |
| Easter Sunday | Sunday 5 April 2026 |
| Easter Monday | Monday 6 April 2026 |
| ANZAC Day | Saturday 25 April 2026 |
| ANZAC Day observed | Monday 27 April 2026 |
| King's Birthday | Monday 1 June 2026 |
| Matariki | Friday 10 July 2026 |
| Labour Day | Monday 26 October 2026 |
| Christmas Day | Friday 25 December 2026 |
| Boxing Day | Saturday 26 December 2026 |
| Boxing Day observed | Monday 28 December 2026 |
School Hours
The school day begins at 8.35am and finishes at 3.10pm but students should be at school at 8.30am. All students in Form Class 8.40am.
Each Friday morning the teachers are involved in Professional Development from 8.15am to 8.50am. Students are required to be at school by 8.45am on Fridays ready for classes to start at 8.55am.