Effective use of data is key to improving student outcomes. This requires leaders to ensure teachers have developed the skills to convert student data to useful information to effectively plan for instruction and student interventions; to hold collaborative discussions that are structured for these purposes; to broaden the view of data to include…

For four years, a nine-member team studied 31 highly effective teachers in nine low-performing urban elementary, middle, and high schools in some of the most economically depressed neighborhoods in Los Angeles County. The teachers were selected based on having had the highest percentage of students moving up a level on the English/Language Arts or…

Based on the results of a generalizability study of measures of teacher knowledge for teaching mathematics developed at the National Center for Research on Evaluation, Standards, and Student Testing at the University of California, Los Angeles, this article provides evidence that teachers are better at drawing reasonable inferences about student…