Howard Pitler

Howard Pitler, Ed.D. is an author of Classroom Instruction that Works, 2nd ed., Using Technology with Classroom Instruction that Works, and A Handbook for Classroom Instruction that Works, 2nd ed. He has worked with teachers and administrators internationally for over a decade to improve outcomes for kids. He was named a National Distinguished Principal be NAESP and is an Apple Distinguished Educator. He can be reached at hpitler@gmail.com, on Twitter at @hpitler, or on his website, www.hpitler.com.

Value-Added Assessments Treat Teachers Like Cattle

School districts are under pressure from the federal government, foundations, and states to include value-added assessment as a part of a teacher’s evaluation to meet the widely supported policy goal of identifying the most effective and the least effective teachers in a school system. On its face, the argument for value-added models (VAM) seems to make sense. How well a student does after a year with a teacher should serve as an indicator of how effective that teacher was. But by what measures? How valid are those measures? If the student measure is a score on a standardized test, what evidence do we have to indicate the standardized test accurately measures teacher effectiveness? Which students are being compared?

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