She uses quasi-experimental methods to study the effects of school, state and national education policies on overall student achievement, and on the equality of student outcomes. Hart’s recent work has focused on the effects of teacher-student demographic match on student outcomes; and on student use of, and performance in, virtual courses. Other work has focused on school choice programs, school accountability policies, and early childhood education policies. Dr. Hart earned her PhD at the School of Education and Social Policy at Northwestern University.