Study protocol for testing the efficacy of the Helping Educational Leaders Mobilize Evidence (HELM) implementation strategy in elementary schools: a hybrid type 3 effectiveness-implementation randomized controlled trial. - Locke, Jill; Williams, Nathaniel J.; Sridhar, Aksheya; Ehrhart, Mark G.; Dopp, Alex; Thirion, Marissa; Espeland, Christine; Riddle, Brandon; Schmitz, Kelcey; Hatch, Kurt; Buehler, Lindsey; Lyon, Aaron R. (Implementation Science, 2025)