UPDATED | October 20, 2017  2:20 PM

MESQUITE (CBSDFW.COM) – A middle school assistant principal is behind bars on a child sexual assault charge.

Police say 37-year-old James Langle is the assistant principal at Vanston Middle School in Mesquite. He was arrested Thursday and charged with sexual assault of a child. Police say the offense did not happen at the school.

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Investigators say the victim is a family member.

Officials at the Mesquite ISD issued a statement:

Mesquite ISD was shocked to learn of the allegations and subsequent charges against Mr. Langle. While the alleged abuse appears limited to the home, the charges are extremely disturbing and concerning to us.  Should the allegations prove to be true, Mesquite ISD will take the strongest possible action. Mr. Langle is on administrative leave pending the outcome of the investigation, and we have made the proper notification to the State Board of Educator Certification. Mr. Langle’s alleged actions should in no way reflect negatively on the thousands of dedicated Mesquite ISD employees who remain focused on educating and supporting our students.

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Langle formerly taught alegbra at North Mesquite. He’s been with the district since 2009.

Should he be found guilty, the district officials say they will take the strongest possible action.

Langle is currently on administrative leave.

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