Thousands of kids are arrested in school every year. About a third of U.S. schools have a regular police presence on campus; some school districts even have their own police forces. As the number of law enforcement officers on campus has gone up, so, too, have the number of arrests, often for low-level misdemeanors. Life of the Law’s Alisa Roth investigates one student’s case, and examines the uncertain legal terrain police, teachers, administrators and students face in American high schools.