Diocesan School offers parents and guardians a convenient online enrolment service.
| Term 1 | |
| Term 1 Starts | Tuesday 30 January |
| Waitangi Day (School Closed) | Tuesday 6 February |
| Good Friday (School Closed) | Friday 30 March |
| Easter Monday (School Closed) | Monday 2 April |
| Easter Holiday (School Closed) | Tuesday 3 April |
| Term 1 Ends | Friday 13 April |
| Term 2 | |
| Term 2 Begins | Monday 30 April |
| Queen's Birthday (School Closed) | Monday 4 June |
| Term 2 Ends | Friday 6 July |
| Term 3 | |
| Term 3 Begins | Monday 30 July |
| Term 3 Ends | Friday 28 September |
| Term 4 | |
| Term 4 Begins | Monday 15 October |
| Labour Day | Monday 22 October |
| Term 4 Ends (Years 11-13) | Friday 30 November |
| Term 4 Ends (Years 7 - 10) | Tuesday 4 December |
| Term 4 Ends (FC - Year 6) | Wednesday 5 December |
| Term 1 | 29 January – 12 April |
| Term 2 | 29 April – 5 July |
| Term 3 | 29 July – 27 September |
| Term 4 | 14 October – TBC |
