(IDAHO FALLS, ID) – An Idaho Falls High School student has been arrested for allegedly pulling out a knife in front of fellow students. Police say two girls claimed that the 15-year-old suspect displayed the knife in a threatening way during a recent lunch hour. The suspect told investigators that he was just fooling around. He faces a felony charge of aggravated assault and additional misdemeanor charges for possessing a weapon on school property and threatening classmates. School administrators will determine further disciplinary action after spring break.