This dissertation was designed and conducted to examine perception of classroom grouping practices in elementary schools. It includes a comprehensive review of literature related to grade-level and within-class grouping practices over the past thirty years in American schools. A focus was gleaned from the literature that led to the design of a…

Federal policy makers and school leaders increasingly recognize middle school math as a turning point in students' academic success. An i3 scale-up grant allowed grant partners to conduct a large-scale implementation of PowerTeaching (PT), a research-based reform to increase student math achievement. In a mixed-methods study during the pilot phase…