NEW YORK — A New York City high school student was arrested Thursday after bringing a loaded gun to class and writing on social media that he wanted to “shoot the school up,” authorities said.

The 16-year-old sophomore posted the threat to Instagram around 10:15 a.m. while in class at Benjamin N. Cardozo High School in Bayside, Queens, Police Commissioner Jessica Tisch said. A person who saw the post alerted the FBI, which then contacted the NYPD, Tisch said.

Officers went to the school, located the student and found a 9mm handgun in his backpack that was loaded with 13 rounds of ammunition, Tisch said. Unlike some other New York City public schools, Cardozo High School does not screen students for weapons, she said.

“We are so grateful that this incident did not end tragically,” Mayor

See Full Page