Three schools, including Edgewood Middle School, Irondale High School and Sunnyside Elementary, delayed their dismissals while police searched the area.
Wayne Clifford Wallace was a fifth-grade teacher at Basswood Elementary School when multiple girls said he touched them during class while they were students.
The entire state will be under an Extreme Cold Warning starting at midnight as wind chills are expected to plummet to between -20 and -45 degrees overnight.
Last week, the MSHSL said it would continue to follow state law, which protects Minnesotans from being discriminated against based on their gender identity.