ROGERS is director of the Program for Public Sector Evaluation in the Faculty of Applied Science, Royal Melbourne Institute of Technology, Australia. HACSI is research fellow at the Harvard Children's Initiative and teaches history at the Harvard Extension School. PETROSINO is research fellow at the Center for Evaluation, Initiatives for Children Program, American Academy of Arts and Sciences, and research associate at the Harvard Graduate School of Education. TRACY A. HUEBNER is coordinator for comprehensive school reform at WestEd.