The letter from assessment experts the N.Y. Regents ignored
Blog by Valerie Strauss/Washington Post
Here’s the letter that 10 assessment experts sent to the New York State Board of Regents earlier this month urging it not to approve a system that links student standard test scores to the evaluations of teachers and principals. The Regents ignored their evidence showing such “value-added” systems are unstable and prone to error — and approved it anyway. Starting in the fall, 40 percent of the evaluations of teachers and principals in New York public schools will based on student test scores. (more...)