School nurses work in an educational setting. Due to budget cuts, different goals, and confusion between educators and nurses regarding the school nurse role, school nurses are being asked to demonstrate their effectiveness and justify their presence in elementary and secondary schools. Although school nursing was first initiated 100 years ago, a review of the literature published since 1965 indicates that 15 studies have been conducted that examine the impact of school nurses on academic performance. However, today many articles have recommended more research linking school nursing to educational outcomes. This article synthesizes the results of 15 research articles. Findings from these studies indicate that nursing interventions targeted at specific populations, including parents, have had significant effects. A relationship between school nurses' interventions and absenteeism is also suggested. Limitations of these studies are discussed, along with suggestions for future research. (Contains 1 table.)