Improbable test scores twice as likely to appear in charter schools


Suspicious test scores in roughly 200 school districts resemble those that entangled Atlanta in the biggest cheating scandal in American history, an investigation by The Atlanta Journal-Constitution shows.

The newspaper analyzed test results for 69,000 public schools and found high concentrations of suspect math or reading scores in school systems from coast to coast. The findings represent an unprecedented examination of the integrity of school testing...

Improbable scores were twice as likely to appear in charter schools as regular schools. Charters, which receive public money, can face intense pressure as supposed laboratories of innovation that, in theory, live or die by their academic performance...

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