A 15-year-old student in a Longwood high school allegedly pepper sprayed 13 students and her principal, according to a report by the New York Daily News.

Police said they charged the girl with reckless endangerment after she attacked those inside Banana Kelley High School. They did not reveal her name. Students and faculty evacuated the school an hour after the 12:45 episode, according to Education Department officials.

Principal Antonio Arocho and four students were treated at the school. According to the Fire Department of New York, nine were sent to Lincoln Hospital for minor injuries.