Guiding student growth minute-by-minute--aka classroom formative assessment--has a track record of boosting student and teacher engagement. Discover concrete ways leaders can support this high-impact instructional practice throughout your school or district. Learn: (1) how to clarify who owns the learning and who is responsible for the learning environment; (2) six specific ways leaders can support teachers' ongoing, embedded use of formative assessment; and (3) how to help teachers sustain their learning via collaborative settings like professional learning communities (PLCs). [For the second article in this series, "4 Formative Assessment Practices That Make a Difference in Classrooms," see ED567811.]