Protocol for a hybrid type 3 effectiveness-implementation trial of a pragmatic individual-level implementation strategy for supporting school-based prevention programming.

"Declarations Ethics approval and consent to participateThis project was approved by the University of Washington Institutional Review Board (IRB). Consent for publicationNot applicable. Competing interestsThe authors declare that they have no competing interests. Competing interests The authors declare that they have no competing interests."

"Funding This publication was supported by grant R305A220481, awarded by the Institute of Education Sciences (IES; https://ies.ed.gov/). The content is solely the responsibility of the authors and does not necessarily represent the official views of the IES. IES had no role in study design; data collection, management, analysis, or interpretation; writing of the manuscript; or the decision to submit the manuscript for publication."

"Trial registration ClinicalTrials.gov ID: NCT05989568. Registered on May 30, 2023."