Schools in Montclair, N.J. will reopen today, one day after the district was shut down because of a security threat​.

A 45-year-old teacher on leave from Montclair school district has been charged with making terroristic threats against another staffer.

All schools in New Jersey’s Montclair School District are closed Monday because of a social media threat directed at a specific staff member, according to Montclair police. Law enforcement officials believe the threat came from a staff member who is currently on administrative leave,