A former teacher in the Cherry Creek School District who taught inmates at a juvenile detention center was sentenced to seven years in prison Monday for sexually abusing a teenage inmate.

Maggie Stastny, 33, pleaded guilty in March to sexual exploitation of a child. The seven-year sentence was the maximum sentence allowed under her plea agreement. Other charges against her were dropped as part of the agreement.

Stastny was arrested in September 2019 after she was accused of engaging in a sexual relationship with an underage inmate at the Marvin W. Foote Youth Services Center in Centennial.

While teaching in Cherry Creek, Stastny was assigned to teach at the juvenile detention center, which detains children aged 10 to 17.

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According to an arrest affidavit, Stastny told a sergeant that she had sex with the underage inmate twice in May 2019 and once in June 2019 in a bathroom at the Denver Library off Quebec Street.

Stastny was an employee at Cherry Creek from January 2017 to June 30, 2019. She told investigators she had previously worked for the Adams County, Aurora Public Schools and JeffCo Public Schools school districts, the affidavit said.

Stastny and her husband filed for divorce two months after her arrest, according to court records.

Stastny will serve her seven-year sentence in the Colorado Department of Corrections, according to the 18th Judicial District Attorney’s Office.