The Hi-Desert Sand Sharks swim team will hold try-outs and sign-ups Wednesdays, April 2, and Thursday, April 3, for all children ages 4 to 18. Try-outs will be held at the Yucca Valley High School pool, 7600 Sage Avenue, starting at 4:30 p.m. Children must bring their birth certificate with them. Registration fee is $188 and includes swim suit, cap, and dues for the season.