(Prince William)- A teacher is being accused of shoving a 13-year-old student at Potomac Middle School. The incident happened back on January 16th when the accused teacher, David Schaller, confiscated a student’s phone. When the student tried to get the phone back, the verbal altercation turned physical and Schaller shoved the boy to the ground. He reported no injuries but the teacher was arrested. Prince William County Police are conducting an investigation.