CHICAGO (CBS) — Wauconda High School was evacuated Thursday afternoon while police investigated a bomb threat.

Wauconda School District 118 said the school was placed on hard lockdown shortly before 1 p.m., while police evaluated the threat.

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As a precaution, the school later was evacuated using district school buses, according to police and school district officials.

Police said everyone was safe.

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Several students were brought in for questioning, police said.

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One juvenile was charged with disorderly conduct and released to their parent. A second juvenile was charged with felony disorderly conduct and will be transported to the Lake County Juvenile Detention Center, police said.