Arlington ISD is celebrating after dozens of its schools saw their accountability ratings improve following an appeal to the Texas Education Agency .

Six campuses saw their A-F accountability letter grades increase , while 38 others improved on the 100-point scale but not enough for a full letter grade.

Arlington ISD Superintendent Matt Smith told CBS News Texas in an interview that in September the district appealed rankings for six schools over STAAR test scores that they felt were too low. The TEA uses STAAR tests to determine the rankings.

Specifically, the district thought scores for certain writing tests were too low, having only been scored by artificial intelligence.

"We had a number of students that were in a marginal range where we felt like we should have somebody else

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