This three-manuscript dissertation used a rapid PDSA to improve teacher efficacy concerning designing and teaching an unleveled 9th grade science class. Leveling and tracking can lead to inequitable outcomes and experiences for minoritized students. However, designing and implementing effective heterogeneous, unleveled classes that meet the needs…

While many of the concepts and approaches that comprise student-centered learning have deep roots in learning theory, the cognitive sciences, and youth and child development, empirical research on student-centered learning's impact in K-12 classrooms remains limited. This report offers highlights from three studies commissioned by Nellie Mae,…