Erased answers on tests in Philadelphia lead to a three-year cheating scandal
By staff and wire services reports
January 24th, 2014
The first sign that something was wrong appeared more than two years ago when a company grading student tests from Philadelphia noticed that erasures from wrong to right answers showed what investigators delicately called “statistical evidence of improbable results,” The New York Times reports. Pennsylvania began an investigation, eventually instructing the school district to look into improprieties at 19 schools. Over the course of a year, the district found disturbing patterns in parts of the system that resulted in three principals being fired last week for test cheating in one of the largest such scandals in the country...