CPS: Teachers who don’t return to classroom Monday are on illegal strike Posted on January 22, 2021 by Chicago 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: The Chicago Teachers Union and Chicago Public Schools remain at odds over the district’s back-to-school plan. 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: