High-quality K-12 instructional materials can meaningfully improve teaching practice and student achievement, especially when paired with professional learning support. Yet state policymakers have usually left ultimate authority for textbook selection to school district leaders. Consequently, the quality of materials across U.S. classrooms and…

Well-informed decisions on curricular materials can be an efficient way to boost student achievement. Prior studies have employed experimental and quasi-experimental designs to investigate the effects of textbooks on mathematics achievement. This is the first study to consider textbook effects in social studies education. Within the context of a…

Research indicates multi-section coordination improves the academic performance of students in STEM education. This paper describes the process of coordination in Precalculus, Calculus 1, and Calculus 2 courses undertaken by a large department that grew from the merger of two institutions through a pilot program and a project grant. Components…