Georgia education officials ordered investigations on Thursday at 191 schools across the state where they had found evidence of tampering on answer sheets for the state's standardized achievement test.
The order came after an inquiry on cheating by the Governor's Office of Student Achievement raised red flags regarding one in five of Georgia's 1,857 public elementary and middle schools. A large proportion of the schools were in Atlanta.
The inquiry flagged any school that had an abnormal number of erasures on answer sheets where the answers were changed from wrong to right, suggesting deliberate interference by teachers, principals or other administrators.
Experts said it could become one of the largest cheating scandals in the era of widespread standardized testing.
"This is the biggest erasure problem I've ever seen," said Gregory J. Cizek, a testing expert at the University of North Carolina who has studied cheating. "This doesn't suggest that it was just kids randomly changing their answers, it suggests a pattern of unethical behavior on the part of either kids or educators."
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