article_snippet.sent: One principal was accused of wearing gloves as they erased test score answers and filled in new ones . '
article_snippet.sent: Playing with student test scores is very, very dangerous business.'
article_snippet.sent: The case stems from an investigation carried out in 2011, which uncovered evidence that the educators gave answers to students or changed answers on tests after students were turned in.
article_snippet.sent: The cheating is believed to date back to 2001, when scores on statewide skills tests began to turn around in the 50,000-student school district.
article_snippet.sent: Between 2005 and 2009, test answers were altered and falsely certified, according to the 2013 indictment.
article_snippet.sent: Educators fed answers to students or erased and changed answers on tests after Educators were turned in .
article_snippet.sent: One principal wore gloves as One principal erased and changed the answers .
highlights_snippet.sent: One principal would wear gloves to erase answers and write in new ones .