Researchers say Texas is in the middle of a graduation crisis, with one out of three students failing to finish high school.
The study says the problem is worse than people thought because Texas grossly inflates its high school graduation numbers.
Academics from Rice, Harvard, Stanford and Johns Hopkins found Texas' graduation rate to be 67 percent, much lower than the 84 percent the state reports.
A spokeswoman for the Texas Education Agency says she stands by the state's numbers and questioned the researchers' methodology.
The study says inflation increases in larger districts. For example, the study says Dallas has a 46 percent graduation rate, not the state's figure of 81 percent. The inflation was also more prominent when looking at minority and poor students.
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