ARLINGTON, Texas — Arlington ISD plans to appeal the Texas Education Agency’s preliminary A–F accountability ratings , alleging that a state error lowered some schools’ grades.

Superintendent Matt Smith said the district discovered scoring issues on some STAAR test results that had been evaluated using artificial intelligence.

"TEA listened when we picked up the phone and told them our concerns about the process. They acted on that, and I'm grateful," Smith said.

The district paid more than $200,000 for a human to rescore more than 4,000 tests, which Smith said produced “significantly improved” results.

However, the updated scores came in too late to be included in the state’s ratings released Tuesday. The district believes five campuses may have missed out on earning higher letter g

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