A documentary from APM Reports explores how a get-tough attitude prevailed among educators in the 1980s and 1990s. But research shows that zero-tolerance policies don't make schools safer and lead to disproportionate discipline for students of color.
Part of the documentary focuses on discipline in Denver Public Schools -- Colorado Matters spoke with DPS Superintendent Tom Boasberg earlier this week and asked him about the issue.
Read the full story and listen to the documentary at APMreports.org.