This review of research on nutrition education for school-aged children includes 17 articles published since 1980 and not included in two previous reviews (13 school-based and 4 outside of school). School-based studies included families and home environments, program institutionalization, using computer systems, knowledge-based studies, and studies of other school- and classroom-based nutrition education. The outside-of-school studies emphasized targeting families and knowledge-based programs. This review summarizes study findings; discusses advances since the last review (gains in nutrition education for school-aged children and nutrition education needs); and notes implications for nutrition education policy, research, and program implementation (what components of nutrition education programs are most effective in achieving behavior change and how to maximize the implementation and institutionalization of nutrition education programming). The report notes there have been significant advancements in the field since 1980. There are increasing numbers of such programs being evaluated in multi-ethnic groups, and the study of family influence is increasing. Researchers now know that nutrition education can impact student knowledge acquisition, and behavior change is possible. Behaviorally based programs with a theoretical basis are the most effective for achieving behavior change. The report discusses issues that pose important questions and challenges and examines various questions on how to implement and institutionalize effective nutrition programs for school-aged children. (Contains 113 references.) (SM)