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Cara Stillings Candal is an education researcher and writer. She is senior consultant for research and curriculum at the Center for Better Schools/National Academy of Advanced Teacher Education and a senior fellow at the Pioneer Institute. This article was adapted from “Matching Students to Excellent Teachers: How a Massachusetts Charter School Innovates with Teacher Preparation” and “Matching Students to Excellent Tutors: How a Massachusetts Charter School Bridges Achievement Gaps,” Pioneer Institute, 2014.