Teachers like Kathryn Sanfle are on the front lines of the mental health epidemic, seeing some of the harshest sides of our kids’ digital reality—and at START, we think she’s spot on: how powerful would it be if parents and teachers could speak the same language when it comes to adopting healthy screen habits? That’s why we’re here. This fall, based on requests from multiple school administrators, START is releasing a program specifically for teachers and administrators…