A child who enrolls in Level 3 should meet the following requirements: Is usually older than 9 years old Able to perform all needed skills in water that is 10 feet deep. They should have the endurance to make from one end of the diving well to the other (30 feet) with only a minute or two break. Able to tread water for at least 30 seconds in deep water. Able to confidently perform the front crawl for 30 feet (the length of the diving well). This means that their arms are pulling past their swim suit then coming out of the water on the recovery, their legs are constantly kicking, and they are breathing to the side when they need a breath. Heads should not lift up when breathing. Able to confidently perform the back crawl for 30 feet (the length of the diving well). This means their hand comes out of the water by their side, their arms remains straight as they recover (comes out of the water), and goes back in by their ear. There should be little hesitation before the other arm begins recovery and their legs should be constantly kicking. The head should be back with their ears in the water.