This second volume from the National Working Commission on Choice in K-12 Education examines the connections between school choice and the goals of equity and efficiency in education. The contributorsdistinguished university professors, high school administrators, and scholars from research institutions around the countryassess the efficiency of the educational system, analyzing efforts to boost average achievement. Their discussion of equity focuses on the reduction of racial and religious segregation in education, as well as measures to ensure that'no child is left behind.'The result is an authoritative and balanced look at how to maximize benefits while minimizing risks in the implementation of school choice. The National Working Commission on Choice in K-12 Education was established to explore how choice works and to examine how communities interested in the potential benefits of new school options could obtain them while avoiding choice's potential harms. In addition to the editors, commissioners include Paul T. Hill and Dan Goldhaber (University of Washington), David Ferrero (Bill and Melinda Gates Foundation), Brian P. Gill and Laura Hamilton (Rand), Jeffrey R. Henig (Teachers College, Columbia University), Frederick M. Hess (American Enterprise Institute), Stephen Macedo (Princeton University), Lawrence Rosenstock (High Tech High, San Diego), Charles Venegoni (Civitas Schools in Chicago), Janet Weiss (University of Michigan), and Patrick J. Wolf (Georgetown University).