Glenbrook North High School students and staff were told to stay in their classrooms Tuesday afternoon after police received an anonymous call about a potential threat, officials said.
District 225 spokeswoman Karen Geddeis directed questions about the nature of the threat and what time it came in to the Northbrook Police Department, which did not immediately return requests for comment.
“It was a usual class block, so it was nothing out of the ordinary for students. They were asked to remain in the classroom they were currently in,” Geddeis said in an email.
GBN parents, students and staff received an email message from the administration at 2:20 p.m. that said the Northbrook Police Department was conducting a “thorough inspection of the building and grounds” after receiving a call about a potential threat outside the GBN building.
Ten minutes later, the administration sent a second email message informing GBN parents, students and staff that the police department finished the inspection “of the outside grounds of GBN and found them to be safe.”
Students were released from the building at the normal dismissal time at 2:55 p.m., and police were present as students left the building, according to the second message.
GBN is scheduled to have a regular school day Wednesday, Geddeis said.
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