Prevention Science

, 10:100 | Cite as

Altering School Climate through School-Wide Positive Behavioral Interventions and Supports: Findings from a Group-Randomized Effectiveness Trial

  • Catherine P. Bradshaw
  • Christine W. Koth
  • Leslie A. Thornton
  • Philip J. Leaf


Positive Behavioral Interventions and Supports (PBIS) is a universal, school-wide prevention strategy that is currently implemented in over 7,500 schools to reduce disruptive behavior problems. The present study examines the impact of PBIS on staff reports of school organizational health using data from a group-randomized controlled effectiveness trial of PBIS conducted in 37 elementary schools. Longitudinal multilevel analyses on data from 2,596 staff revealed a significant effect of PBIS on the schools’ overall organizational health, resource influence, staff affiliation, and academic emphasis over the 5-year trial; the effects on collegial leadership and institutional integrity were significant when implementation fidelity was included in the model. Trained schools that adopted PBIS the fastest tended to have higher levels of organizational health at baseline, but the later-implementing schools tended to experience the greatest improvements in organizational health after implementing PBIS. This study indicated that changes in school organizational health are important consequences of the PBIS whole-school prevention model, and may in turn be a potential contextual mediator of the effect of PBIS on student performance.


School Climate Organization Fidelity Positive behavioral interventions and support 



Support for this project comes from grants from the Centers for Disease Control and Prevention (R49/CCR318627, 1U49CE000728, K01CE001333-01) and the National Institute of Mental Health (1R01MH67948-1A and T32 MH19545-11). The authors are particularly grateful to Susan Barrett and Jerry Bloom of the Sheppard Pratt Health System, Milton McKenna and Andrea Alexander of the Maryland State Department of Education, and the other members of the PBIS Maryland State Leadership for their support of this project.


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Copyright information

© Society for Prevention Research 2008

Authors and Affiliations

  • Catherine P. Bradshaw
    • 1
  • Christine W. Koth
    • 1
  • Leslie A. Thornton
    • 1
  • Philip J. Leaf
    • 1
  1. 1.Department of Mental Health, Johns Hopkins Center for the Prevention of Youth ViolenceJohns Hopkins Bloomberg School of Public HealthBaltimoreUSA

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