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Welcome to
St Leo’s Catholic College
Wahroonga, NSW, Australia
Welcome to St Leo’s Catholic College, Wahroonga
Est. 1956
St Leo’s Catholic College is located on six hectares in the leafy suburb of Wahroonga and is the only co-educational Catholic secondary school on Sydney’s Upper North Shore.
We are a caring, inclusive community renowned for our pastoral care, with a strong emphasis on knowing each student and growing their unique potential.
With consistently strong academic results and a wide range of co-curricular offerings, we aim to help students find their passion and develop their talents so that they can shape and change the world for the better.
St Leo’s acknowledges the Darug and Guringai people, the traditional custodians of the lands in Wahroonga on which we learn.
Read our full Acknowledgement of Country.
Take a Look at What St Leo’s has to Offer
Highlights video of our 2025 Open Evening:
Academic & HSC Results
Academic & HSC Results
Learn MoreTeaching & Learning
Teaching & Learning
Learn MoreLearning Technologies
Learning Technologies
Learn MorePastoral Care & Wellbeing
Pastoral Care & Wellbeing
Learn MoreOur Faith in Action
Our Faith in Action
Learn MoreBeyond the Classroom
Beyond the classroom
Learn More
Upcoming Events
| Wed 30 July, 4pm | Year 8 2026 Subject Selection Info Evening (online) |
| Mon 4 - Mon 18 July | HSC Trials |
| Tue 5 Aug | CAPA Cubs Showcase |
| Wed 13 - Fri 15 Aug | Year 8 Camp |
| Mon 18 Aug | Student Free Day |
| Tue 26 Aug | Term III Parents in Partnership Mtg |
| Wed 27 Aug | Student Leadership Induction Ceremony |
| Fri 5 Sept | Father's Day Liturgy & Breakfast |
| Wed 24 Sept | Year 12 Graduation Mass & Ceremony |
| Fri 26 Sept | Last day of classes for Term III |
Our Facebook
SCARVES FOR DOM'S PLACE 🧣🧤 | A heartfelt thank you to everyone who generously donated their time, wool, and talent to support Operation Winter Warmth. The 50+ beautiful scarves, gloves and beanies—knitted with love by our Knitting Circle students and wider school community—will be delivered to Dom’s Place tomorrow, ready to bring warmth and comfort to those sleeping rough in the Hornsby area.![]()
Your kindness is truly felt in every stitch. 💛🧶🪡
VINNIES SLEEPOUT | The evening's entertainment before the sleepout.![]()
Thank you to everyone who has supported us so far. It's not too late to donate to the team and help us end homelessness: my.fundraise.vinniesnsw.org.au/vinnies-school-sleepouts/st-leo-s-catholic-college-sleepout
