Southern segregation grew significantly from 1988 to 1991 and segregation of African-American students across the U.S. also increased. This study provides national data that shows the relationship of segregation to poverty and where segregation is either concentrated or remains highly integrated. This report also explores the way in which a state's pattern of school district organization relates to the segregation of its students after the Supreme Court's 1974 decision in the Detroit case, Milliken v. Bradley.