- Our Program offers a variety of skill appropriate levels, including tots, beginner one, beginner two, intermediate, advanced, boys, and tumbling for cheerleaders. Student to teacher ratio is 6:1. New at Baltimore County Gymnastics Gym 'n Swim Summer Camp (for girls ages 6-16) Cheer 'n Swim Summer Camp Spring Session begins March 25th. Check out our calendar of events for dates and times. The ...www.baltocogym.com