Stadium lights beamed for the first game of the season for many districts throughout San Diego. The start of the new school year also brought new procedures to protect student-athletes from extreme heat. School districts must follow the California Interscholastic Federation Guidelines to prevent heat-related illnesses among students. MORE: https://www.cbs8.com/article/news/local/cif-new-guidelines-protect-student-athletes-from-heat-related-illnesses/509-3f355367-f22b-40c5-b3a4-58d1e6c08a8e