Chicago Teachers Union Votes To Defy In-Person Classroom Return CHICAGO, ILLINOIS - JANUARY 25: A sign outside of Columbus Elementary School lets visitors know that the playground has been closed on January 25, 2021 in Chicago, Illinois. Chicago Public School teachers were scheduled to return to the classroom for in-person learning today, but the union objected and voted to continue remote learning. (Photo by Scott Olson/Getty Images) Scott Olson / Staff