High-school history teacher Tambi Lewis frequently reminds her students to put away their phones during class at Clark County School District in Las Vegas. While the district prohibits phone use during class, enforcement beyond contacting parents is infrequent. Lewis observes students engaging in social media, texting, and watching YouTube videos instead of completing assignments in her U.S. and world history classes, which are necessary for graduation.
https://www.wsj.com/us-news/education/schools-lock-up-cellphones-to-keep-students-focused-7fc374fa
