With increasing attention to school violence and aggression, it is argued that more covert, natured, subtle conflicts among students should be carefully examined and addressed to prevent negative outcomes. This article provides an overview of current knowledge on relational aggression including its definition, its link to a number of adjustment difficulties, and contexts contributing to the maintenance of relational aggression. Based on the review of empirical findings, educational implications for teachers and school administrators are discussed with an emphasis on an urgent need to promote a greater understanding of relational aggression and develop effective, innovative approaches in schools. The discussion also includes specific recommendations for prevention and intervention of relational aggression in middle school.