Washington Township police are beefing up security after arresting a Westwood Junior/Senior High School student accused of using social media to make a threat.
Police tell The Record newspaper the student is charged with making terroristic threats.
Authorities also charged a 15-year-old female Mainland Regional High School student in Linwood with creating a false public alarm.
Police told The Press of Atlantic City the student is accused of creating a text message that was circulated around the school that was perceived as a threat.
The charge is punishable by up to five years in prison and a $15,000 fine.
Police also are investigating rumors of violence at Vineland High School on Friday.