27 August - College Group Photo Day
28 August - Sports Assembly
29 August - Dio Hockey
30 August - Year 8 MISA Debating, Year 10 Geography Excursion, Year 11 SOR Excursion, HSC Drama Examination
31 August - Father and Daughter Dinner Dance
3 - 7 September - Literacy and Numeracy Week
4 September - College Assembly
5 September - Indigenous Literacy Day, HSC Projects Showcase
6 September - College Assembly (Student Leadership Commissioning)
7 September - Middle School Dance (St Gregory's College), Year 10 Recycled Dinner Dance
11 September - Senior School Assembly
14 September - AIME Excursion Years 9 -10, Year 10 Dance Excursion
18 September - Macarthur Max Potential Showcase
21 September - CCC Athletics
25 September - Year 12 Assembly, Year 12 Graduation Dinner
26 September - Year 12 Graduation Mass and Awards
27 September - Year 12 Formal
28 September - Staff and Students Finish for Term 3
15 October - Staff and Students Return for Term 4