The Dallas Morning News worked with a Canadian professor and found that test scores of more than 50,000 students over two years show evidence of cheating. Joshua Benton and Holly K. Hacker report that their in-depth data analysis contradicts claims by the Texas Education Agency which said cheating was "extraordinarily rare and that the agency has done a good job of policing it." They found cheating concentrated in the two largest districts in Texas - Houston and Dallas - as well as in charter schools. The entire series can be viewed here.
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