Just what are 'zero tolerance' policies – and are they still common in America's schools?
- Written by F. Chris Curran, Assistant Professor of Public Policy, University of Maryland, Baltimore County

When parents and educators discuss school discipline, one of the things that comes up most are “zero tolerance” policies. This term is often misused and misunderstood, according to new research I published recently.
Zero...
Read more: Just what are 'zero tolerance' policies – and are they still common in America's schools?