Chicago schools that removed police officers saw slight drop in high-level discipline violations

Chicago high schools that removed police in the last few years saw a slight dip in the most serious types of student disciplinary violations, according to a new study released Wednesday. 

The study, from the University of Chicago Consortium on School Research, comes as Chicago Public Schools plans to launch a new safety policy for the upcoming school year that will unilaterally remove school resource officers, or SROs, from all campuses...