This report contains a collection of papers summarizing the major research on elementary and secondary schooling conducted over the past decade, and outlining what those studies suggest for designing improved educational indicators. The report includes a section on the design of educational indicator systems. It also includes sections on indicators of educational resources and commitment; school context and organization; teachers and teaching; curriculum; instruction; outcomes, achievement, participation, and attitudes; the distribution of educational opportunities and outcomes; policy problems; and school completion and dropouts. Finally, it discusses the policy context in which indicators are generated and used.