What Is CWSF? Canada's National Science Fair Explained

The Canada-Wide Science Fair (CWSF) is Canada's largest national science competition for secondary students: organized by Youth Science Canada, open to grades 7–12, running May 23–30, 2026 at the Edmonton Expo Centre, with roughly 400 finalists competing for about $1.3 million in prizes and scholarships. The only route in is through a provincial regional fair — BC students qualify via one of 13 regional fairs (Metro Vancouver students compete at GVRSF), earn a spot on Team BC, and then advance to nationals.

What CWSF is

CWSF convenes each May, bringing together the strongest secondary science projects from across Canada in a single venue. It is run by the non-profit Youth Science Canada and has operated for decades as the only national-scale science fair in the country. The public exhibition is free to attend, and a virtual component lets families follow along from anywhere.

2026 dates and logistics

| Item | Details | | --- | --- | | Dates | May 23–30, 2026 | | Venue | Edmonton Expo Centre, Edmonton, AB | | Organizer | Youth Science Canada | | Eligible grades | 7–12 | | Finalist count | Approximately 400 | | Public admission | Free; virtual exhibition also available |

Award structure

CWSF divides competitors into three divisions by grade, with gold, silver, and bronze medals awarded in each:

| Division | Grades | | --- | --- | | Junior | 7–8 | | Intermediate | 9–10 | | Senior | 11–12 |

In 2025, 219 students received awards. Beyond medals, a number of Canadian universities offer entrance scholarships specifically to CWSF medalists, ranging from $1,000 to over $4,000 per recipient — check individual university websites for current conditions. Total annual prizes and scholarships across the event run to approximately $1.3 million.

How to get there

CWSF does not take direct applications. The path works like this:

1. School science fair: most students enter through a fair organized by their school.
2. BC regional fair: successful school-fair participants then compete at one of BC's 13 regional fairs (Metro Vancouver students go to GVRSF, April 9–11, 2026 at UBC).
3. Team BC selection: top regional finishers are nominated by Science Fair Foundation BC and join Team BC.
4. CWSF nationals: Team BC members represent the province at the national event.

The bottleneck is at the regional level — each fair sends a limited number of projects to nationals. That means regional preparation quality is the single biggest lever a student controls.

What CWSF means for university admissions

A CWSF finalist or award credential carries real visibility in Canadian university applications for STEM programs. It demonstrates independent research capability in a way that transcripts alone cannot — particularly relevant for programs that weight research experience, such as engineering, life sciences, or pre-medicine. The precise admissions benefit varies by institution and cannot be generalized to a single number; but the scholarship commitments from multiple universities to CWSF medalists represent the most concrete, quantifiable recognition available in this pipeline.

There is also an intrinsic value: completing the full cycle of posing a question, designing an experiment, collecting data, and defending conclusions to experienced judges is a research training experience that classroom assignments rarely replicate.

Next steps

• For the full picture of BC's 13 regional fairs and how the ladder connects to CWSF, read our Science Fair pathway guide.
• Want structured coaching from topic selection through judging day? See our Science Fair program.
• Not sure whether a project is on the right track? Book a free assessment for an honest evaluation against regional judging criteria.

Key dates and award totals verified June 2026; award details and university scholarship conditions are subject to change — verify at the Youth Science Canada website and individual university pages.