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CEDAR HILL A former science teacher at Cedar Hill ISD's alternative school was arrested Thursday for allegedly having an improper relationship with a student.

Shannon Parks was arrested at her Grand Prairie home on one charge of improper relationship with a student. Parks had been employed by Cedar Hill ISD since February, and passed a criminal background check before she was hired, according to a letter the district sent to parents.

The are no words to describe our deep disappointment in this alleged breach of the professional and ethical conduct we expect from our teachers, CHISD Superintendent Horace Williams wrote in the letter.

On May 2, the principal at CHISD's alternative school was informed of inappropriate communication with students through Parks' personal Instagram account. That same day, she was placed on administrative leave. She resigned on May 7. The letter said the district had not yet learned of allegations of an inappropriate relationship when Parks resigned.

After Parks' resignation, the alternative school staff received more information and went to Child Protective Services on May 14, which prompted the criminal investigation.

On May 22, a Cedar Hill detective met with a 17-year-old Cedar Hill student who said he had gone to Parks' home in Grand Prairie and engaged in sexual intercourse.

Parks is being held on $50,000 bond at a Grand Prairie detention facility.

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