Chicago Teachers Union members and their supporters march through the Near West Side after a rally in Union Park on day five of a Chicago Public Schools district-wide strike, Monday, Oct. 21, 2019. Chicago Public Schools announced Sunday night that classes and after school activities are canceled Monday as the strike enters its first full week. The work stoppage began on Thursday. (Ashlee Rezin Garcia/Chicago Sun-Times via AP)
Dozens of Chicago Teachers Union members and supporters march through the streets of Chicago's Hyde Park neighborhood during the "Nurse in Every School" Solidarity March for Justice on Monday, Oct. 21, 2019. (Antonio Perez/Chicago Tribune via AP)
CPS student. Bryce Kelley, 7, listens to speakers following a march by Chicago Teachers Union members and supporters through the streets of Chicago's Hyde Park neighborhood during the "Nurse in Every School" Solidarity March for Justice, on Monday, Oct. 21, 2019. (Antonio Perez/Chicago Tribune via AP)
Dozens of Chicago Teachers Union members, CPS students and supporters march around a police car blocking the street and continue to march through the streets of Chicago's Hyde Park neighborhood during the "Nurse in Every School" Solidarity March for Justice on Monday, Oct. 21, 2019. (Antonio Perez/Chicago Tribune via AP)
Chicago Teachers Union members and their supporters march through the Near West Side after a rally in Union Park on day five of a Chicago Public Schools district-wide strike, Monday, Oct. 21, 2019. Chicago Public Schools announced Sunday night that classes and after school activities are canceled Monday as the strike enters its first full week. The work stoppage began on Thursday. (Ashlee Rezin Garcia/Chicago Sun-Times via AP)
Faculty from Talcott Fine Arts and Museum Academy strike with the Chicago Teachers Union on the corner of N. Ashland Avenue and W. Chicago Avenue in West Town of Chicago on Monday, Oct. 21, 2019. (Camille Fine/Chicago Tribune via AP)
On the fifth day of the Chicago Teachers Union strike, Mayor Lori Lightfoot visits Chicago Public Schools students at a contingency site, James R. Jordan Boys & Girls Club in Chicago, Monday, Oct. 21, 2019. (Ashlee Rezin Garcia/Chicago Sun-Times via AP)