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Former Rockwall ISD teacher sentenced to ten years in prison for sending sexually explicit emails to student

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Rockwall County District Court Judge Brett Hall has sentenced Marc Allison, a former Rockwall ISD Cain Middle School orchestra teacher, to ten (10) years in a Texas prison for sending sexually explicit emails to an 8th grade student.

Heath Department of Public Safety officers arrested 50 year-old Marc Allison in October 2019 after the student reported the emails and other abuse to her school resource officer.  In addition to the sexually explicit emails, the student reported that Marc Allison touched her breast while hugging her in class, purchased her a sex toy, and brought syringes to school in an attempt to draw and drink her blood.

Heath Department of Public Safety detectives investigated the abuse with the assistance of the Texas Rangers, and Marc Allison was ultimately arrested and indicted by a Rockwall County Grand Jury for the third degree felony offense of Online Solicitation of a Minor and the second degree felony offenses of Indecency with a Child–Sexual Contact and Improper Relationship Educator/Student.  

At the time of his October 2019 arrest, Rockwall ISD administration sent a letter notifying parents of Marc Allison’s arrest and status with the school district.

The July 8, 2021 sentencing, which was pursuant to a plea bargain agreement supported by the child’s family, occurred after Marc Allison pled guilty. Allison received the maximum punishment of ten years in prison for Online Solicitation of a Minor.  He was also sentenced to ten years of probation for Indecency with a Child and Improper Relationship Educator/Student.  Marc Allison will be required to complete that probation after he serves his prison sentence, and he is subject to an additional twenty years in prison if he fails to comply with the terms of his probation.  Allison must also register as a sex offender for the rest of his life. 

“Marc Allison used his position as an educator to commit the ultimate violation of trust, and this child showed great courage by disclosing the abuse,” said Rockwall County Assistant District Attorney Justin Almand.  “Our thanks to law enforcement including Heath Department of Public Safety Detective Scott Trammell (ret.) and Captain Michael Morgan, Texas Ranger Bruce Sherman, and the professionals at the Children’s Advocacy Center for Rockwall County.”

“Bad people can hide in plain sight,” said Rockwall County District Attorney Kenda Culpepper.  “Please take an opportunity to sit your children down and talk about inappropriate behavior.  Make sure they know that they can always talk to a trusted adult if they are made to feel uncomfortable in any situation – even at school.”


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