The Research Partnership for Professional Learning (RPPL) is a collective of professional learning practitioners, researchers, educators, and funders focused on studying educator learning to inform improvements in practice and outcomes for students. The Learning Professional asked RPPL Executive Director Stacey Alicea to describe the organization’s goals and strategies for increasing rigorous research evidence about professional learning. Q: Why and how is RPPL aiming to refocus the questions that researchers study about professional learning? Our goal is to transform teacher learning and practice to ensure that all students — especially those from historically marginalized groups — learn rigorous content and thrive in equitable schools. Much of the existing professional learning research has focused on testing whether specific professional learning interventions work to change teacher and student