Herbert Walberg's interpretation of a massive collection of data on school learning is discussed as a guide for inquiry and action by individual teachers. Walberg's study shows that while no single factor can produce marked increases in academic learning, an equation employing nine variables approximately predicts reported numerical measures of…

This synthesis of research focuses on nine factors influencing learning, including student characteristics, instructional factors, and environmental factors. In conclusion, the need for devoting more time to academic learning both in school and out of school and the importance of enlisting families as partners in education are emphasized. (MJL)