• Supermileage is a co-curricular activity for male and female students in grades 9-12. The objective of the competition is to provide a challenge of blending the student's classroom learning experiences with their ingenuity and teamwork to produce the most fuel-efficient one-person vehicle. Students meet mainly during activity period, and before and after school to design and construct the vehicle. The competition is held at the Brainerd International Raceway in May.