California has more than 800,000 high-schoolers playing sports, yet the state does not require schools to have athletic trainers at practices or games—and very few do. Just 25 percent of public high schools employ a full-time athletic trainer, according to CIF data from 2016-17 (athletic directors from 1,406 schools self-reported—an 88.6 percent rate). Even more troubling? California is the only state that does not regulate the profession of athletic training. That means that anyone can call themselves an athletic trainer.