Canada-Wide Science Fair
Canada-Wide Science Fair
Discover the Excitement of Innovation at the Canada-Wide Science Fair!
Welcome to the Canada-Wide Science Fair (CWSF), the pinnacle of youth STEM excellence in Canada. Hosted annually by Youth Science Canada, this extraordinary event brings together our nation’s brightest young minds, celebrating their passion for STEM and innovation. Witness the future of STEM through the eyes of our youth. From groundbreaking research to inventive solutions, each project at the CWSF is a window into the incredible potential of our young scientists. The fair is a vibrant display of elaborate presentations, engaging demonstrations, and thought-provoking discussions.
Discover. Innovate. Inspire.
Join us at the Canada-Wide Science Fair and be part of Canada’s most exciting youth STEM event!

Who Participates?
The CWSF showcases the talents of students from grades 7 through 12, winners of their respective regional STEM fairs. These young scientists represent the future of innovation in Canada, displaying projects that span health, environmental sciences, engineering, computer science, and more.

Awards and Opportunities
Our participants compete for a range of prestigious awards and scholarships, celebrating scientific excellence, creativity, and potential societal impact. But the CWSF is more than a competition; it’s an opportunity for growth, learning, and inspiration.

Engage and Learn
The CWSF is not just for participants; it’s a community event. We invite school groups, families, and STEM enthusiasts to engage with these young innovators, learn about their work, and get inspired. The public viewings are an integral part of our mission to foster a STEM-savvy culture.
Join Us
Rooted in a rich history that dates back to the 1960s, the Canada-Wide Science Fair has evolved into a national platform for the next generation of scientists and innovators. Youth Science Canada is proud to champion this celebration of curiosity, inquiry, and scientific achievement.
Be part of a journey that shapes the future of STEM in Canada. Whether as a participant, educator, volunteer, or visitor, your involvement in the CWSF contributes to a brighter, more innovative tomorrow.
Become a CWSF Volunteer
The Canada-Wide Science Fair wouldn’t be possible without our dedicated team of volunteers. Whether providing support to the finalists, directing public visitors, supporting event logistics, or sharing skills and passions, the team makes this national event come to life.
Become a CWSF Exhibitor
Exhibiting at the CWSF provides an unparalleled opportunity to interact with the next wave of STEM professionals. By exhibiting, you position your organization at the forefront of Canada’s STEM community, forging invaluable relationships with tomorrow’s STEM champions.
Become a CWSF Judge
The Canada-Wide Science Fair requires about 160 judges to evaluate approximately 420 projects each year. These judges are recruited from the local community and represent a wide range of disciplines. Engage with Canada’s top young scientists, share your expertise, and learn about their world-changing projects.