Last week, the state released (and celebrated) TNReady scores. Local school districts followed suit, often touting reward status based on “growth.” This “growth” is determined by a value-added formula known as TVAAS — Tennessee Value-Added Assessment System. Ken Chilton took some time to explain why the celebration should, at best, be muted. I’d like to … Continue reading TNReady Growth in the Age of Hackers and Dump Trucks