Tom O'Malley knew that the fourth grade classes at Birney Elementary had been a success -- but the numbers said it had failed.
O'Malley said two years ago, he and a fellow teacher got a crop of children who were badly behind. They helped the students improve, making even bigger gains than the last classes they taught. But because the kids didn't do as well as the earlier class, who came in ahead and scored higher, test scores seemed to drop.
"I felt like a failure as a teacher," O'Malley said, shaking his head. "I'm not one of these teachers who are scared to be held accountable. I just want to be held accountable for what I actually do."
His story underscores a nagging problem with test scores, especially under No Child Left Behind: Schools are gauged by how well they do from year to year, but nobody is comparing the same children. When school officials say that fourth grade math scores sunk or soared, they really mean that one class of third graders -- the class from last year -- did well or poorly
