Use a school or community swimming pool. Don't use backyard pools for class instruction. Familiarize students with emergency procedures relating to the pool facility. Teach skills in proper progression. Have a qualified lifeguard on deck at all times.
Teacher accompanies students to the pool and remains in the area during instruction.
The Association of Canadian Underwater Councils, or A.C.U.C. Snorkeling Instructor's Program, or N.A.U.I. National Association of Underwater Instructors, or P.A.D.I. Professional Association of Diving Instructors. Provide constant visual supervision. If using a moveable outdoor soccer goal, select one that is counter-balanced in order to reduce the potential for tipping. Inspect nets regularly. Use nerf balls or indoor soccer balls for indoor soccer.