In 2021, twenty students who began their educational journey at St Columba in Kindergarten 2009 will have completed 13 years of schooling at SCAS and will graduate from Year 12.
Congratulations to the following 13 year students:
| Nathaniel Anderson | Timothy Ebbs |
| Nicola Awad | Sahara Elfar |
| Tristan Barry | Ryan Flanagan |
| Shaun Byrne | Ethan Johnson |
| Tobias Chapman | Montgomery Moore |
| Alice Charley | Arabella Rikmanis |
| Danika Clarkson | Lachlan Suitor |
| Zali Clifton | Maclaren Tierney |
| Tom Crofts | Bryce Turner |
| Thomas Crundwell | Oscar Wills |
