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Document Number: 6334

The Market for Teacher Quality - Using value-added as its measure for teacher quality, this paper finds: (1) substantial variation in the quality of instruction, most of which occurs within rather than between schools; (2) although teaching quality appears to be unrelated to advanced degrees or certification, experience matters but only in the first year of teaching; and (3) good teachers tend to be effective with all student ability levels, plus students benefit by being matched with teachers of the same race. The paper also finds that teachers staying in the sample of urban schools tend to be as good as or better than those who exited, indicating the main cost of turnover is the introduction of first-year teachers, and there is little or no evidence that districts that offer higher salaries and have better working conditions attract the higher-quality teachers among those who depart the urban district. (Eric A. Hanushek, John F. Kain, Daniel M. O'Brien and Steven G. Rivkin, National Bureau of Economic Research, February 2005)...

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Teaching Quality

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