Swimming Lessons Stockton-on-tees, Stockton - Welcome to the Stockton-on-tees Swimming Lessons Directory listing recommended swimming instructors in Stockton-on-tees. It lists those who offer baby swimming lessons and swimming lessons in Stockton-on-tees, Stockton. Do you have a Stockton-on-tees swimming lesson business? If so, why not advertise it on the Stockton-on-tees Business Directory - IT'S FREE.