Policymakers are revolutionizing teacher evaluation by attaching greater stakes to student test scores and observation-based teacher effectiveness measures, but relatively little is known about why they often differ so much. Quantitative analysis of thirty schools suggests that teacher value-added measures and informal principal evaluations are…

The relationships among several suggested indices of school desegregation were examined. The measures were discussed for their utility in the remedy process. Issues involved in the formulation of desegregation indices were related to kinds of information they yielded. Recommendations were made for the properties of an effective index. (Author)