Charter schools raise educational standards for vulnerable children

The Economist:

The Credo study has been criticised for not comparing the results of children who have won charter-school lotteries with those who have not--a natural experiment in which the only difference between winners and losers should be the schooling they receive. Such studies suggest that charters are better. For example, a lottery study in New York City found that by eighth grade (around 13), charter-school pupils were 30 points ahead in maths.

However, recent work by Mathematica, an independent policy group, suggests that the Credo study is sound. The bigger problem is that its findings have been misinterpreted. First, the children who most need charters have been served well. Credo finds that students in poverty and English language learners fare better in charters. And a national "meta-analysis" of research, done last year for the Centre on Reinventing Public Education in Seattle, found charters were better at teaching elementary-school reading and mathematics, and middle-school mathematics. High-school charters, though, fared worse. Another recent study in Massachusetts for the National Bureau of Economic Research concluded that urban charter schools are shown to be effective for minorities, poor students and low achievers.

Posted by Jim Zellmer at August 2, 2012 5:02 AM
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