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Jill M. ConstantineJill M. Constantine
Vice President; Director, NJ Human Services Research, Human Services Research Division

Jill Constantine is vice president and director of NJ Human Services Research at Mathematica. She is an expert in teacher compensation and quality, as well as access to college for low-income students. She has directed several large-scale studies of federal policy initiatives, applying technical expertise in random assignment study designs, matching procedures such as propensity scoring, and advanced statistical modeling.

Constantine directs the What Works Clearinghouse (WWC) for the U.S. Department of Education. The WWC assesses the quality of thousands of studies of education curricula, practices, and policies, and then summarizes the findings of well-designed studies in reports for educators, policymakers, and the general public. At the core of the WWC is a set of rigorous standards for research design; the high quality studies that meet WWC standards have strong causal validity. She also directs Mathematica’s evaluation of the Teacher Incentive Fund grants, a random assignment study of performance-based compensation systems designed to provided bonuses to effective teachers and principals.

Constantine, who joined Mathematica in 2001, directed the firm’s study of the efficacy of different teacher preparation methods in contributing to the academic achievement of elementary school students. She also directed Mathematica’s evaluation of Talent Search, one of the federal TRIO programs designed to improve access to college for low-income students, and has designed evaluation studies of other college-access programs. She has conducted impact and statistical analyses on several large-scale projects, including the National Early Head Start Research and Evaluation project, which focused on the cognitive and socio-emotional outcomes of young children and parenting skills of their parents.

Before joining the firm, she was an assistant professor at Williams College. She has published in and serves as a reviewer for a number of peer-reviewed journals, including Child Development, Developmental Psychology, Early Childhood Research Quarterly, Industrial Relations, Industrial and Labor Relations Review, and Review of African American Education. She holds a Ph.D. in economics from the University of Pennsylvania.

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Staff Profile


  • Areas of Expertise
  • Key Projects
  • Professional Activities
  • Publications
  • Teacher training, quality and compensation
  • Access to college for low income students
  • Experimental and nonexperimental methods for evaluating education interventions
  • Systematic reviews
  • Reviewer of peer-reviewed journals, including Child Development, Developmental Psychology, Early Childhood Research Quarterly, Industrial Relations, Industrial and Labor Relations Review, and Review of African American Education