| Tintern Grammar re-opens for 2027 (Administration Staff return) | Monday 4 January |
| Australia Day – Public Holiday | Tuesday 26 January |
| Term 1 commences for students in Year 7, 10, 11 & 12 (full day) | Monday 1 February |
| Term 1 commences for new in Year 8 & 9 (part day) | Monday 1 February |
| ,Term 1 all students return | Tuesday 2 February |
| Labour Day – Public Holiday | Monday 8 March |
| Term 1 concludes for all students | Thursday 25 March |
| Good Friday – Public Holiday | Friday 26 March |
| Easter Monday – Public Holiday | Monday 29 March |
| Term 2 commences for all students | Tuesday 13 April |
| ANZAC Day – Public Holiday | Sunday 25 April |
| King’s Birthday – Public Holiday | Monday 14 June |
| Term 2 concludes for all students | Thursday 17 June |
| Term 3 commences for all students | Tuesday 13 July |
| Mid-Term Break | Friday 20 August |
| Term 3 concludes for all students | Thursday 16 September |
| AFL Grand Final Eve – Public Holiday | Friday 24 September (TBC) |
| Term 4 commences for all students | Monday 4 October |
| Year 12 concludes | Date TBC |
| Mid-Term Break | Monday 1 November |
| Melbourne Cup Day – Public Holiday | Tuesday 2 November |
| Student Free Day for Secondary students only | Monday 29 November |
| Term 4 concludes for ELC, Junior Schools and Secondary students | Thursday 9 December |
