​Siena Catholic College offers numerous enrichment and extension opportunities for students. These include:
Future Problem Solving

- Da Vinci Decathlon
- Science and Engineering Challenge
- ICAS Competitions
- Tournament of the Minds
- USC Space Challenge
- Debating
- Reader's Club
- Literature Circle
- Science Club
- OzCLO - Australian Computatuinal and Linguistics Competition
- Brainbee Neuroscience Competition
- Program Challenge/Mentorship Program