Claims

Serious incidents of student misconduct increased in Philadelphia following the discipline policy reform

Claim · All claims
Evidence · 1 study · causal r2 · q3
Currency · newest study 2018 · not yet checked against its sources · not reviewed by a person · overdue for a recheck since 2021: local conditions change quickly

Subclaims

Reading the evidence codes

q is the design tier, i the impact, n the sample, and the kind with its r the rigour judged within that kind: what each code means.

This claim: no standardized effect is recorded in observations/ for it yet, so no benchmark reading is possible.

q3 i? Serious incidents of student misconduct increased after the reform limited suspensions for nonviolent misconduct. → Johanna Lacoe 2018

Evidence

Johanna Lacoe 2018

Johanna Lacoe, Matthew P. Steinberg. (2018). Rolling Back Zero Tolerance: The Effect of Discipline Policy Reform on Suspension Usage and Student Outcomes. Peabody Journal of Education, vol. 93, issue 2. https://www.mathematica.org/publications/rolling-back-zero-tolerance-the-effect-of-discipline-policy-reform-on-suspension-usage-and-student doi:10.1080/0161956x.2018.1435047

q3 · i? · causal · r2

Difference-in-differences analysis of Philadelphia's 2012-2013 discipline reform finds that "serious incidents of student misconduct increased" following the policy change. No effect size is printed in the available text.

"however, total suspensions remained unchanged while serious incidents of student misconduct increased"

Discussion

Page metadata
Field Value
type claim
id philadelphia-reform-serious-incidents-increased
title Serious incidents of student misconduct increased in Philadelphia following the discipline policy reform
description Serious incidents of student misconduct increased in Philadelphia following the discipline policy reform
status review
evidence_strength moderate
newest_evidence 2018
recheck_by 2021
generated by process:wiki-ingest on 2026-10-08
trust unverified — no one has confirmed this page's content
sources 1 — johanna-lacoe-2018

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