The Rideau St. Lawrence Science Fair (RSLSF)

The Rideau St. Lawrence Science Fair (RSLSF) The Rideau-St. Lawrence Science Fair annually hosts student science fair projects (Grades 7 to 12).

Attention Grades 7-12 students in the Leeds, Grenville, and Lanark Counties! Please visit www.rslsf.ca for the entry form and more information.

04/10/2026
04/10/2026

2026 Rideau St. Lawrence Science Fair is off to a great start!!

04/10/2026

2026 Rideau St. Lawrence Science Fair is off to a great start!

๐Ÿš€ The Rideau St. Lawrence Science Fair is FAST approaching!Weโ€™re counting down the days until April 10th, 2026, when you...
03/12/2026

๐Ÿš€ The Rideau St. Lawrence Science Fair is FAST approaching!
Weโ€™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 buildingโ€”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 youโ€™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 yearโ€™s fair is shaping up to be something truly special.
๐Ÿ”ฌโœจ We canโ€™t wait to see you there and celebrate the amazing talent in our region

01/28/2026

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!
01/23/2026

Good tips for science fair projects!

01/21/2026

๐ŸŽ‰ Calling all young scientists in Leeds, Grenville & Lanark! ๐Ÿš€
The Rideau St. Lawrence Science Fair is BACK โ€” and it's your chance to shine! ๐ŸŒŸ
๐Ÿ“… Date: Friday, April 10, 2026
๐Ÿ“ Location: North Grenville Municipal Centre, Kemptville ON
๐Ÿ“ Registration Opens: Feb 13- More Information at www.rslsf.ca
โณ Deadline: March 31
๐Ÿ† Top winners earn cash prizes AND qualify for an exclusive trip to the Canada Wide Science Fair in Edmonton, AB (May 23โ€“30)!
๐ŸŽ“ Special awards & university bursaries available
๐Ÿ’ฅ Open to students in grades 7โ€“12, under 22 years old

๐Ÿ’ก Local businesses โ€” 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. ๐Ÿ”ฌโœจ

01/10/2026

Thereโ€™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:...
06/06/2025

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.

๐Ÿš€ Calling all young scientists! Registration is NOW OPEN! ๐Ÿš€The Rideau St. Lawrence Science Fair is happening April 10, 2...
02/19/2025

๐Ÿš€ Calling all young scientists! Registration is NOW OPEN! ๐Ÿš€

The Rideau St. Lawrence Science Fair is happening April 10, 2025, at the North Grenville Municipal Centre, Kemptville, ON! ๐Ÿ†๐Ÿ”ฌ

๐Ÿ“… Register online by March 26, 2025 โ†’ www.rslsf.ca
๐Ÿ‘ฉโ€๐Ÿ”ฌ Open to grades 7-12 in Leeds, Grenville & Lanark Counties
๐Ÿ… Win cash prizes & qualify for the Canada-Wide Science Fair!

Show off your science skillsโ€”sign up today!

Address

Brockville Ontario....Leeds And Grenville
Brockville, ON
K6V 3G9

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