Egg Harbor Township High School was again sheltering in place Tuesday, after the third unsubstantiated threat in two weeks.
The school was deemed safe just before 11 a.m. No details about the threat were given.
A robocall from the school's principal warned of the issue at about 7:49 a.m.
Police put out a message saying they were "thoroughly investigating the matter while taking extra precautions to guarantee a safe learning environment."
A second call from Principal Jacki Carugno came at 10 a.m., saying the shelter-in-place was ongoing due to an "unverified threat."
School security was working with local law enforcement, the message said.
The school had similar issues Feb. 14 and 15.
No details were released about the threats nor have any arrests been announced.
