The following is a statement from the Madison City School District:
Update: It was a bomb threat in a note found in the building. No other details available at this time.
We just wanted to clarify the circumstances as we get them.
Law enforcement officials were called to Discovery Middle School this morning after school officials received a threat to the building. The school resource officer notified Madison police, and the building was evacuated.
Students were returned around 9:30 after police conducted a sweep of the building and gave the all clear. The incident remains under investigation.
Public relations manager
Madison City Schools