Last week AEI education scholar Frederick Hess mentioned a study that found that Milwaukee's school voucher system -- the first of its kind in a major U.S. city -- has shown disappointing results: students in the voucher program are performing no better than public school students on tests, according to this study. Hess took those findings to suggest that at the least the voucher system in Milwaukee has not been the panacea that school-choice proponents have promised. Matt Yglesias took it one step further and called the program a "failure."
On the Cato-at-Liberty blog, Andrew Coulson has provided some important context that might help determine whether or not the Milwaukee program, and by extension the push for vouchers in general, has proved a failure.
The Milwaukee study is part of a vast literature. Over the past quarter century at least sixty-five studies have compared outcomes in public and private schools around the world, reporting 156 separate statistical findings.
The evidence of this literature is starkly one-sided. The vast preponderance of findings show private schools outperforming public schools after all the normal controls. What's more, when we focus on the research comparing truly market-like systems to state-run school monopolies, the market advantage is found to be even more dramatic...
Even the recent Milwaukee result described by Yglesias as a failure shows voucher students in private schools performing as well as public school students who receive roughly 50% more government funding. How is a program that produces similar academic results to the status quo at a much lower cost to taxpayers a failure? And what of the research suggesting thatstudents in the Milwaukee voucher program graduate at higher rates than those in public schools?
I think that Coulson has accidentally understated the argument that the vouchers are a lot cheaper because of what looks like a simple arithmetic error: Milwaukee spends $6,442 per voucher student and $14,011 per public school student. That means that they spend more than 100 percent more per public school student, not 50. (The government doesn't pay all of the voucher students' tuitions. The average cost per voucher student is $7,703, meaning that the schools must come up with over $1000 of private funding per student.)
The larger point that Hess and Yglesias are getting at is that these voucher students are still not getting a decent education, which truly is a failure. But given the available evidence that school choice works in general and the fact that the system is saving significant amounts (a very salient fact when you consider the condition of state and city finances), it's probably wise not to overemphasize this one disappointing finding.
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