Free Backpacks and School Supplies, Free Immunization and Bike Helmets. Jam It Up Aug. 7.August 1, 2010 | FlaglerLive | 4 CommentsThe annual Back to School Jam offers 2,600 free backpacks and school supplies to children who need them, at Flagler Palm Coast High School on Saturday, Aug. 7., beginning at 10 a.m.