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David D. Liebowitz
The Returns to Experience for School Principals
Topics: Teacher and Leader DevelopmentDespite increasing recognition of the importance of high-quality school leadership, we know remarkably little about principal skill development. Using administrative data from Tennessee, Oregon, and New York City, we estimate the returns to principal experience as measured by student outcomes,… more →
Rethinking Principal Effects on Student Outcomes
Topics: MethodsTags: Leadership, PrincipalsSchool principals are viewed as critical actors to improve student outcomes, but there remain important methodological questions about how to measure principals’ effects. We propose a framework for measuring principals’ contributions to student outcomes and apply it empirically using data from… more →
Descriptive evidence on school leaders' prior professional experiences and instructional effectiveness
Topics: Teacher and Leader DevelopmentMany education policymakers and system leaders prioritize recruiting and developing effective school leaders as key mechanisms to improve school climate and student learning. Despite efforts to select and support successful school leaders, however, relatively little is understood about the prior… more →
New Schools and New Classmates: The Disruption and Peer Group Effects of School Reassignment
Topics: Policy, Politics, and GovernancePolicy makers periodically consider using student assignment policies to improve educational outcomes by altering the socio-economic and academic skill composition of schools. We exploit the quasi-random reassignment of students across schools in the Wake County Public School System to estimate… more →
Teacher evaluation for accountability and growth: Should policy treat them as complements or substitutes?
Topics: Teacher and Leader DevelopmentTeacher evaluation policies seek to improve student outcomes by increasing the effort and skill levels of current and future teachers. Current policy and most prior research treats teacher evaluation as balancing two aims: accountability and skill development. Proper teacher evaluation design… more →
The effects of higher-stakes teacher evaluation on office disciplinary referrals
Topics: Teacher and Leader DevelopmentDespite frequent political and policy debates, the effects of imposing accountability pressures on public school teachers are empirically indeterminate. In this paper, we study the effects of accountability in the context of teacher responses to student behavioral infractions in the aftermath of… more →