A review of studies of at-risk students is presented in this document. Two recurring themes that occur in the studies reviewed are structured involvement and high expectations of students. The following items are reviewed: "Sex, Race, and Grade Differences in the Locus of Control Orientations of At-Risk Elementary Students," by Beverly D. Payne and David A. Payne; "School Children At-Risk," by Virginia Richardson, Ursula Casanova, Peggy Placier, and Karen Guilfoyle; "Effective Programs for Students At Risk," by Robert E. Slavin, Nancy L. Karweit, and Nancy A. Madden; "At-Risk, Low-Achieving Students in the Classroom," by Judy Brown Lehr and Hazel Wiggins Harris; and "Accelerated Schools: A New Strategy for At-Risk Students," by Henry M. Levin. (LMI)