New Study Finds Gains Since No Child Left Behind
“I was a little surprised that things were generally as positive as they were, so it may be that I would say that N.C.L.B. is contributing more positively than I had given it credit for,” Professor Linn said. But he urged readers to pay attention to the report’s many caveats.
“The reason for all the caveats is that it is impossible to reach the conclusion that if scores go up, it is because of N.C.L.B.,” he said. “There are so many other factors that could lead to rising scores, including state efforts to raise achievement, and also, some of these gains may be artificial. So my worry is that people who come at it and don’t read the caveats will come away with an exaggerated impression.”
Laura S. Hamilton, a senior behavioral scientist for the Rand Corporation who also served on the panel of experts, said, “Most people want to know if N.C.L.B. as a policy has resulted in improved student achievement,” but added, “It’s a question that isn’t answerable.” She explained, “To test whether some policy is effective, you’d want to compare what happened under that policy to what would have happened if the policy hadn’t been enacted, and we can’t do that with N.C.L.B. because all public schools in the nation were subject to its provisions.”
Moderate to large gains were found in 37 of the 41 states with trend data on the percentage of kids hitting the proficient mark on elementary-school math tests. None of the states showed comparable declines.
A goal of the No Child Left Behind law is for all kids to be proficient in reading and math, or working on grade level, by 2014.
Another goal is to narrow achievement gaps between children from low-income families and wealthier ones and between minorities and white students. The new report found achievement gaps have narrowed since the law was passed.
Specifically, the study found in 14 of 38 states with relevant trend data, gaps narrowed on the reading tests between black and white students at the elementary and secondary levels. No state reported a comparable widening of the gap.
In math, a dozen states showed a narrowing of the racial achievement gap at the elementary and secondary grade levels. Only Washington state showed a widening of that gap.
Results were generally similar for Hispanic and low-income groups, according to the report.
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