It appears the fire started in the library, which sustained significant damage.
The new school year is upon us, as are hot-button issues including class size and cell phone bans.
Pedestrian safety was made a priority as the school year kicked off on Tuesday after a student and his mother were struck and killed in June while crossing the street.
The Wisconsin DOJ said the student pointed his pellet gun at officers before they shot him.
Schools across the country, including in New York, have made huge strides to protect students in the 25 years since the mass shooting at Columbine High School.
Eyewitness News is looking back at 25 years since the shooting at Columbine High School and is taking a deeper look at how schools in our area are continuing to try to find the best ways to protect their students.