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Value-added assessment is based on a statistical model that weighs many factors to determine typical achievement. A student’s prior year achievement is the most heavily weighted factor. Other variables taken into account are: whether a child is gifted, receives free/reduced lunch, 504 status, English Language proficiency, prior discipline history, attendance, classroom composition variables, and disability status (e.g. emotionally disturbed, learning disabled, or other health impaired, etc…).
What are the factors taken into account in the Value-Added Model?