An analysis released in today's Education Gadfly finds that new charter schools in disadvantaged communities are almost four times as likely to reach above-average rates of student achievement as the closest district school. This raises serious questions about the wisdom of the federal government pumping $3 billion into school turnaround efforts instead of using some of the money to replicate and scale up successful charter models.
However, the finding comes with several big caveats. First, because of the small sample size, the results cannot be deemed statistically significant. And second, it's impossible to know whether "selection effects" played a role--whether the new charter schools performed better because they attracted better students.
The analysis was by David Stuit, a Vanderbilt PhD. who authored a previous Fordham study on school turnarounds last December.
The idea for this analysis came from Public Impact's Bryan Hassel. After the release of our December study--which found that just one percent of district and charter school turnarounds were successful, as defined as reaching at least the 50th percentile in state proficiency in reading and math--Bryan wondered whether charter start-ups in similar neighborhoods would fare any better against such rigorous criteria.
So we asked Stuit to give it a look. As he explains in his essay:
Across ten states (Arizona, California, Florida, Michigan, Minnesota, North Carolina, Ohio, Pennsylvania, Texas, and Wisconsin), I located all incidents (between 2002-03 and 2006-07) of a charter school opening in close proximity to a district school...