NYT Sues for Right to Publish Bad Teacher Data

The New York Times, along with a few other media outlets, went to court to win the right to publish Teacher Data Reports–the “value-added” ratings for some 18,000 New York City public schoolteachers. The Times explains today–accurately–that the numbers are seriously flawed: Even before their release, the ratings have been assailed by independent experts, school administrators and teachers who say there are large margins of error–because they are based on small amounts of data, the test scores themselves were determined by the state to have been inflated, and there were factual errors or omissions, among other problems. So why publish […]