Leo Hayes High School is a public high school in Fredericton, New Brunswick, Canada, serving students between grades 9 and 12 on the city's north side.

The school is named after Leo Hayes, who was once the marshal of the Fredericton Police force.

The facility is wheel chair accessible and boasts 53 classrooms - 14 with movable walls, 3 broad based technology labs, and 2 gymnasia.

The school's motto is the Latin phrase Somnia sunt circuli veritatis which means "Dreams are the seedlings to reality."

This linkage reflects the connections to the First Nation Community of St. Mary's, which is located adjoining the school grounds.