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…

Much research has noted the misalignment between kindergarten through 12th grade (K-12) academic standards and curriculum materials used in classrooms. Many states and education organizations have been pushing for greater use of standards-aligned curriculum, especially during the past several years. In this report, the authors share results…