Potential Weapon Report In Restroom Prompts Search At Buffalo Grove High School

Heavy police response sent after unfounded report of student armed with weapon inside Buffalo Grove High School

A heavy police response was sent after a false report of a student armed with a weapon inside Buffalo Grove High School, prompting the school to go into "secure" mode Wednesday morning.

Potential Weapon Report In Restroom Prompts Search At Buffalo Grove High School

Additional police officers are expected to remain on campus for the remainder of Wednesday.

Large Police Response at Buffalo Grove High School for Apparent Weapon Threat

Police from Buffalo Grove and Arlington Heights, and firefighters and paramedics from Buffalo Grove responded about 11:55 a.m. Wednesday, August 19, 2026 to an apparent possible threat involving a weapon at Buffalo Grove High School, 1150 West Dundee Road in Buffalo Grove. The first day of classe