This study examined the impact of a state policy requiring that any school with a habitual truancy rate of 8% of higher to be trained in Tier 1 school-wide Positive Behavioral Interventions and Supports (SW-PBIS). A regression discontinuity (RD) design was used to examine how the schools' mandate status related to SW-PBIS training as well as…

Educators are under increasing pressure to improve the climate and safety in urban schools. Unfortunately, schools have addressed school safety concerns by increasing exclusionary measures such as suspensions and expulsions. Knowing that exclusionary measures can have detrimental effects, state legislatures have called for more proactive…

This article describes the methodology and program effects of the Secondary Schools Demonstration Project (SSDP) conducted in four Ontario schools. The objective of the study was to evaluate the extent to which a universal program model of three interventions--cooperative learning; classroom management; and peer-helping approaches that included…