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June 08, 2011
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The most misleading statistic in American education is the fact that just 4 percent of American children attend charter schools. A blip, this is! A rounding error! Totally insignificant!
What the national figure hides is the immense variation in charter school “market share” (or “penetration,” if you prefer) in cities around the nation—ranging from 0 percent in Seattle to 76 percent in New Orleans.
But a picture is worth a thousand words. Here, courtesy of a recent report from the National Alliance for Public Charter Schools, is charter-school enrollment as a percentage of total public school enrollment, calculated by district. (The bigger the dot, the bigger the charter-school market share.)
Charter-school market share: The bigger the dot, the larger the percentage of charter enrollment.
Data from NAPCS study.
A few things are noteworthy:
That’s what I see; what about you? The comments section is open.