(The Center Square) – A new Public Agenda poll finds that most city residents don’t think Chicago Public Schools students are learning enough, with most of the blame tied to the levels of poverty faced by most students. The survey, conducted in conjunction with WBEZ and the Joyce Foundation, also found that most city residents give the system an overall grade of C and feel that the lack of learning largely stems from the staggering levels of poverty affecting most CPS students. Illinois state Rep. La Shawn Ford, D-Chicago, laments the poll only confirms what he’s always known. “CPS for generat…