Schools scrambled to secure their grounds this week after 17 people were slaughtered by a deranged gunman in Florida Wednesday.
Officials across the country — and in New York City — reported a wave of copycat threats in recent days that kept both students and administrators on edge after the Parkland massacre.
A 14-year-old student at IS 281 in Brooklyn told a teacher Thursday morning that he planned to “shoot up the school” and was taken into custody.
Another teen was busted Thursday for posting online threats against Francis Lewis HS in Queens.
Thomas Nagan, 18, was arrested for displaying pictures of guns and making references to shooting a school group, sources said.
Two other Brooklyn teens were also nailed for promising to open fire on fellow students at Brooklyn Prospect Charter School on Snapchat Thursday.
The Department of Education sent out letters to principals after the Florida carnage to urge a review of their security protocols.
If confronted with a live shooter, city school personnel are required to announce a “hard lockdown” over their PA systems.