Adams City High School Locked Down Amid Police Search

Large police presence reported northeast of Denver after bomb threat

Published on Mar. 11, 2026

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A high school northeast of Denver is on lockdown after Commerce City police received a report of a bomb threat. Police from multiple agencies are searching the school premises, and parents are being told to avoid the area to allow the search to proceed.

Why it matters

School lockdowns and bomb threats are serious incidents that can cause significant disruption and concern in the local community. Authorities are taking precautions to ensure the safety of students and staff while investigating the threat.

The details

Commerce City police notified the public just after 1 p.m. that Adams City High School was on lockdown. No injuries have been reported, but a large police presence from departments across the Denver metro area is expected as they search the school premises. Parents waiting outside the school say they have not received much information from police or school officials.

  • Police were in the process of searching the school just before 2 p.m.

The players

Commerce City Police

The police department that received the initial report of a bomb threat and initiated the lockdown and search of Adams City High School.

Roberto Lopez

A parent waiting outside the school who is trying to contact his son, who is inside the locked-down school.

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What they’re saying

“We're calling him; he's in there, and we don't know what's going on right now. He answered us (earlier) and says that he's OK, but right now he's not answering.”

— Roberto Lopez, Parent (CBS News Colorado)

What’s next

Police will continue searching the school premises to ensure there is no threat, and they will provide updates to parents and the public as the situation develops.

The takeaway

This incident highlights the importance of school safety protocols and the need for clear communication between authorities and the community during emergencies to prevent panic and ensure the well-being of students and staff.