Educational outcomes are affected by student level, classroom level, and school level characteristics. The fact that educational data are multilevel in nature poses serious analysis questions. Though strong arguments can be made for focusing on a single level of analysis, such studies have several basic limitations: the choice of analytic level…

Research on school reform efforts and reform evaluation and the recognition that individual students are in constant transition and are members of multiple groups whose dynamics differ over the duration of schooling were examined. A conceptual framework for developing design and analysis strategies for investigating educational reform efforts is…