For information call (909) 394-6230. San Dimas Parks and Recreation offers a Teen Tuesdays open gym program from 7-9 p.m., until May 29, at San Dimas High School, 800 W. Covina Blvd. Recreation staff will conduct active games, including basketball, volleyball and broom hockey. Teen Tuesdays is open to children in grades 6-12. 160Want local news?Sign up for the Localist and stay informed Something went wrong. Please try again.subscribeCongratulations! You’re all set!