How to registerRegister online ONLY YMCA members and non-members are welcome to enroll. Enrollment is open to any child, ages 5-13 years old who is a student of the school/district in which the site is located. Register Online School Website Fee Schedule After School Site 621 W Euclid Ave San Antonio, TX 78212 United States 210-924-2277 Associated Branch D.R. Semmes Family YMCA 3233 N. St. Mary's San Antonio, TX 78212 210-246-9622 Branch Hours Mon - Fri: 5am - 9pm Sat: 7am - 6pm Sun: 1pm - 5pm
