Approximately 1,400 MCAS essays were scored incorrectly due to an AI-grading mishap, according to the state Department of Elementary and Secondary Education.

A temporary technical issue caused the scoring issue, which impacted roughly 1,400 of 750,000 essays, or an average of one or two students’ scores in each of the 145 affected districts, according to DESE.

“As one way of checking that MCAS scores are accurate, the Department of Elementary and Secondary Education releases preliminary MCAS results to districts and gives them time to report any issues during a discrepancy period each year,” a DESE spokesperson told Boston.com. “During this year’s discrepancy period, DESE learned that a technical issue led to some student essays not being scored accurately, and the issue was resolved in

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