Head O’Meadow School was put into a lockdown for precautionary reasons, police said.
According to NBC Connecticut, the elementary school in Newtown, was closed after the school received a threat on Tuesday, according to the superintendent.
Public schools in Newtown were scheduled to open two hours late, so no students were at school when the threat was received.
School officials said police had predicted that there might be some threats and there was one.
All staff members are safe, school officials said. Police were at the scene as a precaution before the threat was made, the station reported.
Cones are blocking off the entrance to school.