Florida's Broward County Public Schools and the University of Chicago engaged in a Research-Practice Partnership (RPP) to scale teacher practices that support students' critical thinking. As part of the RPP, Jeanne Century's research team conducted research to determine what barriers might limit the spread of these practices. The findings show…

The Colorado Study (Lance, Wellborn, and Hamilton-Pennell 1993) and its many replications in other states have demonstrated that when educators and learners had access to a qualified school librarian in the context of a thoughtfully built, adequately resourced, technology rich, and widely accessible school library, learners tended to flourish on…

This article describes the conceptual professional development model and implementation activities used in Florida to ensure that scientifically based instructional practices are used within the state's classrooms. It reports on the model and practices that have been implemented and validated through collaboration of research professionals, the…