This is the executive summary for the full report, "Classroom-Based STEM Assessment: Contemporary Issues and Perspectives." This report is focused on what research and practice indicate about how assessment impacts the teaching and learning of STEM subject matter in K-12 classrooms. The intent is to take stock of what is currently known…

Major developments over the past two decades in STEM education and classroom assessment provide a compelling argument for shifting the focus of assessment toward the classroom where its most powerful benefits can be realized. The increased emphasis on diversity, equity, and inclusion in education puts increased scrutiny on assessment practices and…

We describe here lessons learned in designing an early algebra curriculum to measure early algebra's impact on children's algebra readiness for middle grades. The curriculum was developed to supplement regular mathematics instruction in Grades K-5. Lessons learned centered around the importance of several key factors, including using conceptual…