Students and staff at Trenton High School were evacuated out of the high school and moved to the athletic complex after the school received an anonymous phone call at about 10:20 a.m.
According to Superintendent John Savel, the high school was evacuated about 20 minutes after the phone call was received.
"We did get a phone call that involved an anonymous threat," Savel said.
He added he did not want to discuss the specifics of the phone call to avoid jeopardizing the ensuing investigation. School administration and the Trenton Police Department are currently investigating the call.
According to a press release by Dr. Michael Doyle, principal at Trenton High School, Trenton police and high school administration immediately began an investigation into the claim made in the phone call.
"We searched the whole building," Savel said. "The Trenton Police Department was very helpful and several officers were there and they, together with administration and custodians, were able to do a very efficient job."
During the course of the investigation all high school students and staff were moved to the football field located on the high school's campus.
"It was a precautionary evacuation," said Bret Woodley, athletics director for Trenton Public Schools.
After the investigation of the school, police deemed the high school to be a safe place for learning and all students and staff returned to the building.
Savel said students and staff were on the football field for about 40 minutes before being returned to the school.
He added that he was unsure of the credibility of the phone call, but anything that could potentially endanger the students had to be taken seriously.
This is only the second time the high school has been evacuated due to an anonymous phone call in the last six years, according to Savel.
Trenton Police Chief William Lilienthal could not be reached for comment.
According to the press release, parent/teacher conferences began at 2 p.m. and are scheduled to continue until 7 p.m. Teachers are scheduled to take a break from 4 p.m. until 5 p.m.
Check back for more information on this story.