Standard Tests Do Reveal Which Teachers Are Best
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March 13 (Bloomberg) -- Improving the quality of educationdelivered through our public schools can not only boost economicgrowth but also help to narrow income inequality in the U.S. Andthe best way to improve education is to identify and promote themost talented teachers.
One way of measuring a teacher’s effectiveness has been tosee how much his or her students’ test scores rise. This kind of“value added” measure is straightforward and can easily be usedto weed out bad teachers and promote better ones.