-School Age Beginner Preschool- Ages K-12 years Swim Lessons. Every Tuesday from 5:15pm to 5:45pm at South Chattanooga Community Center. Cost $35.00 The Beginner Level teaches basic water safety and survival skills. The beginner class also introduces basic freestyle and backstroke. This class is recommended for children not yet comfortable in the water. Students learn personal water safety and achieve basic swimming competency.