Teacher-powered schools are a powerful, practical route to better and more equitable student learning. This paper makes the evidence-based case for these innovative schools. "Evidence for Teacher-Powered Schools: A Practical Route to Better and More Equitable Student Outcomes" explores outcomes for students and schools led by teacher-powered teams. In the paper, we review academic research which demonstrates how teacher-powered schools are the manifestation of well-studied ideas linked with improved outcomes. And we take a deep dive on the schools themselves--informed by two decades of records, surveys, interviews, and more. Finally, we lay out simple steps teacher-powered leaders can take to show the power of the movement.