The Rideau St. Lawrence Science Fair (RSLSF)

🚀 The Rideau St. Lawrence Science Fair is FAST approaching!
We’re counting down the days until April 10th, 2026, when young innovators from across the region will gather at the North Grenville Municipality Building to showcase their creativity, curiosity, and big ideas.
The excitement is building—projects are taking shape, experiments are being finalized, and our team is buzzing as we get everything ready for an incredible day of science, discovery, and community.
Whether you’re a student preparing your display or a member of the public eager to see what the next generation of thinkers is creating, mark your calendar. This year’s fair is shaping up to be something truly special.
🔬✨ We can’t wait to see you there and celebrate the amazing talent in our region

Annual Report 2025 | Youth Science Canada Discover how Youth Science Canada empowered 10,000+ Canadian youth through STEM projects in 2025. Read our full annual report.

Good tips for science fair projects!

🎉 Calling all young scientists in Leeds, Grenville & Lanark! 🚀
The Rideau St. Lawrence Science Fair is BACK — and it's your chance to shine! 🌟
📅 Date: Friday, April 10, 2026
📍 Location: North Grenville Municipal Centre, Kemptville ON
📝 Registration Opens: Feb 13- More Information at www.rslsf.ca
⏳ Deadline: March 31
🏆 Top winners earn cash prizes AND qualify for an exclusive trip to the Canada Wide Science Fair in Edmonton, AB (May 23–30)!
🎓 Special awards & university bursaries available
💥 Open to students in grades 7–12, under 22 years old

💡 Local businesses — we need you!
Support the next generation of innovators by donating to the RSLSF. Help us fund prizes, travel, and opportunities that change lives. https://www.rslsf.ca/contact-us/ or https://www.rslsf.ca/donate/

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Proudly supported by Youth Science Canada - Sciences jeunesse Canada

Let your curiosity lead the way. 🔬✨

THE STEM JOURNEY | January 2026 There’s something about January that makes us think about fresh starts. New notebooks. Blank calendars. The feeling that anything is possible.

Congratulations to our finalists. From left to right: Chloe Mac Leod and Briyanna Wilberforce Intermediate Silver Medal: Lukas Savkoff Intermediate Gold Medal and Youth Can Innovate Award: Elora Faurbo Junior Silver Medal: Holly Chaters Excellence in Astronomy Award.

🚀 Calling all young scientists! Registration is NOW OPEN! 🚀

The Rideau St. Lawrence Science Fair is happening April 10, 2025, at the North Grenville Municipal Centre, Kemptville, ON! 🏆🔬

📅 Register online by March 26, 2025 → www.rslsf.ca
👩‍🔬 Open to grades 7-12 in Leeds, Grenville & Lanark Counties
🏅 Win cash prizes & qualify for the Canada-Wide Science Fair!

Show off your science skills—sign up today!