It's a school accountability system that has given a failing grade to more than a third of schools -- including some that made big gains but just missed their targets. And now, President Barack Obama is preparing to overhaul the education law known as No Child Left Behind.
In his budget plan, Obama is suggesting that schools be judged differently -- looking at student growth and at schools' progress from one year to the next. Schools that do well would get incentives and rewards. Schools that do poorly would face intervention and other consequences.
The head of a Washington think-tank on education, Kati Haycock of the Education Trust, says "less might be expected of some, but more will be expected of others" under Obama's plan.