| Tintern Grammar re-opens for 2025 (Administration Staff return) | Thursday 2 January |
| Term 1 commences for students in Year 7, 10, 11 & 12 (full day) | Friday 31 January |
| Term 1 commences for new in Year 8 & 9 (part day) | Friday 31 January |
| ,Term 1 all students return | Monday 3 February |
| Labour Day – Public Holiday | Monday 10 March |
| Term 1 concludes for all students | Friday 4 April |
| Good Friday – Public Holiday | Friday 18 April |
| Easter Monday – Public Holiday | Monday 21 April |
| Term 2 commences for all students | Wednesday 23 April |
| ANZAC Day – Public Holiday | Friday 25 April |
| King’s Birthday – Public Holiday | Monday 9 June |
| Term 2 concludes for all students | Thursday 26 June |
| Term 3 commences for all students | Tuesday 22 July |
| Mid-Term Break | Friday 22 August |
| Term 3 concludes for all students | Thursday 18 September |
| Term 4 commences for all students | Monday 6 October |
| Mid-Term Break | Monday 3 November |
| Melbourne Cup Day – Public Holiday | Tuesday 4 November |
| Student Free Day for Secondary students only | Monday 24 November |
| Term 4 concludes for ELC, Junior Schools & Secondary students | Wednesday 10 December |
