You can sign up any time you would like. Because we are not session based, once you or your child enrolls, classes simply continue until you wish to withdraw. Our goal is to make swim lessons a fun part of your child’s regular routine, and do it in a way that is as convenient as possible for your family’s busy schedule. If you enroll in the middle of the month, we will prorate your first month's tuition for the lessons you were not registered for in that month.