BURLINGTON, N.C. (WGHP) — A teacher has been charged after an alleged assault at a Piedmont Triad middle school. According to the Burlington Police Department, on Dec. 12 they received a report that Derek Tang, 50, a teacher at Turrentine Middle School, had "physically assaulted a student on school property." Warrants allege that Tang grabbed a student and shoved them through a doorway into the hall of the school. Victim dies from stabbing on Grove Street, Greensboro police say Police investigated the incident and charged Tang with one count of simple assault. They believe this was an "isolated incident" with no other students involved. "As soon as this information was reported to Alamance-Burlington School staff, it was immediately reported to the Burlington Police Department," the police said, adding that the school district was cooperating with the police. Tang was arrested Monday and given a $1,500 secured bond. The school district says that Tang has been working for the district since 2014 when he'd been hired as a substitute. He has been working as a teacher at Turrentine Middle School since 2019 and is currently suspended. "The district has been cooperating with the Burlington Police Department's investigation. Mr. Tang, a Social Studies teacher at Turrentine Middle School, is suspended with pay," the school district said in a comment.