Los Angeles Teacher Evaluation Deal Foregoes Use Of Value-Added Data

The Los Angeles Times (12/10, Watanabe, Blume, Times) reports, "The recent groundbreaking agreement over evaluations for educators in the Los Angeles school district is a major victory for the teachers union because it limits the use of a controversial - but increasingly widespread - measurement of teacher effectiveness," that being value-added analysis of student performance data. "That method...is opposed by many teacher unions as unreliable; but it is being used in Illinois, New York, Texas, Florida, Washington, DC, and elsewhere."