To win federal Race to the Top grants or waivers from No Child Left Behind, most states have adopted teacher and principal evaluation systems based largely on student test scores. Many educators have resisted these unproven policies. Researchers from 16 Chicago-area universities and more than 1,500 New York state principals signed statements against such practices. Chicago teachers even struck over this issue, among others. Here’s why these systems-- including “value added” (VAM) or “growth” measures -- are not effective or fair.
↧