Helen F. Ladd is the Susan B. King Professor of Public Policy Studies and professor of economics at Duke University’s Sanford School of Public Policy. Most of her current research focuses on education policy. She is particularly interested in various aspects school accountability, education finance, teacher labor markets, and school choice. She has written numerous articles on charter schools and other forms of choice in North Carolina, self-governing schools and parental choice in New Zealand, market based reforms in urban school districts, voucher programs, school reform in post-Apartheid South Africa, and school finance in the Netherlands.