Most high schoolers have cell phones, and more and more, they're using them to send text messages. A study from the Pew Internet and American Life Project says young people between the ages of 12 and 17 send an average of 100 texts a day. The trend is worrisome, because teenagers often don't put away their phones when they get behind the wheel. Last year, law enforcement agencies across the state reported 57,000 crashes due to distracted driving.