If you’re looking for a way to keep your teen active this summer without spending a dime, this is one of the best deals we’ve seen all year. Planet Fitness is bringing back its popular High School Summer Pass, and it’s exactly what it sounds like: A completely FREE gym membership for teens ages 14–19. What’s the Deal? From June 1 through August 31, eligible teens can work out at participating Planet Fitness locations at zero cost through the Planet Fitness High School Summer