Jay Matthews has turned up some interesting info about how two consecutive IGs in DCPS ignored cheating allegations and failed to thoroughly investigate. Wonder wht their value-added ranking is? After all, we must all be assessed objectively, based on our performance....
Meanwhile, if you read through the comments, there are several attempt to justify the conclusion of no cheating based on someone's statement that there might be some other explanation. We don't know what that would be, however, as they do not say. And, I must point out, that there was a huge investigation of SAT cheating in Connecticut over 20 years ago, and it rested heavily on erasure patterns. When I locate one of those original articles, I'll add it here.
http://www.washingtonpost.com/blogs/class-struggle/post/sad-failure-of-two-inspectors-general/2013/02/10/932bb526-73a9-11e2-aa12-e6cf1d31106b_blog.html#pagebreak
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