Research shows that schools remain a powerful tool for shoring up individual opportunity and for attaining a thriving, multiracial democratic society. The authors point to social science evidence that demonstrates how segregated schooling limits the prospects of both minority and majority students and how integrated education can close the achievement gap while benefiting all learners. Building political will is necessary to support integration efforts and reduce discrimination; soliciting community input and participation is crucial to the process. The authors review several approaches to integrating schools, both from the outside--using socioeconomic status, zoning, housing, and interdistrict efforts--and from within.