A soft lock down at Hoffman Estates High School was lifted at 12:20 p.m. Thursday after police gave the all clear.
At 10:24 a.m., the school was placed on soft lock down when an unattended package was was found in the stadium on the outer perimeter of campus.
At this time, police will not say what the package was and why it was deemed suspicious.
Police stress that it was not a bomb, and no threats were made to the school.
The school is currently serving as one of the host sites for the IHSA girls state tennis tournament.
This is a developing story. Check back for details.