Policymakers and practitioners increasingly have looked to instructional materials to signal the content that students are expected to learn and how to teach that content. The American Instructional Resources Survey (AIRS) has been investigating adoption and use of instructional materials in K-12 public schools in the spring of each school year…

Past research suggests that it is common for teachers to draw on multiple instructional materials even when their school or district recommends, requires, or provides them with a specific curriculum. While teachers likely draw on a variety of resources to address changing and diverse student needs, studies show that teacher-selected materials can…