CTU Day of Action Posted on April 1, 2016 by Chicago 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: Teachers and supporters participate in a CTU Day of Action protest at Amundsen High School in Chicago. | Tim Boyle/For the Sun-Times 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: