Almost seven years ago, the School District of Philadelphia revised its student discipline policy, instructing schools not to suspend students for certain types of nonviolent behavior, such as failing to follow classroom rules or making obscene gestures. To examine what happened after the school district made the change, Mathematica’s Johanna Lacoe teamed up with Matthew Steinberg, an education researcher at the University of Pennsylvania. What they found provides the strongest evidence to date that when students are suspended, their academic performance declines after the suspension. On this episode of On the Evidence, Lacoe discusses her school suspension research in Philadelphia and what it might mean for the future of school discipline.

We also have a condensed Q&A version of the conversation available here: https://www.mathematica-mpr.com/commentary/do-suspensions-affect-student-outcomes

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