Value added assessment of school performance is a breakthrough in the measurement of educational performance.  It tells users how much students’ gained in achievement in the just-completed year relative to their past rate of educational progress–irrespective of starting level and the various social, economic, ethnic, and other factors thought to limit or enhance student learning.  Value-added scores, however, are limited to grades 4 through 8, i.e., grades in which there is standardized testing in the same subjects.

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Tennessee Assessment Model

For the past ten years, the Education Consumers Foundation has collected and analyzed value-added data from the Tennessee Value-Added Assessment system (TVAAS), the most sophisticated value-added system in the country.

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