Samuel Antonio Caines Jr

Samuel Caines Jr., a former Killeen High School teacher, is expected to be sentenced today for several counts of sexual assault and having an inappropriate sexual relationship with a student.

A Killeen High School teacher was charged Thursday for having a sexual relationship with a student, according to an arrest affidavit.

Samuel Antonio Caines Jr., 55, was arraigned by Justice of the Peace Bill Cooke on a felony charge of improper relationship between an educator and a student. Caines’ bail was set at $100,000.

According to the police report, the Killeen High School student’s mother reported to police that she believed Caines was involved in an inappropriate relationship with her daughter after discovering text messages between the two that were sexual in nature. The report said investigators examined the victim’s phone and discovered several pictures of the two having sex.

The victim told investigators she met Caines at Killeen High School and began a sexual relationship with him in September when she was 16, according to the affidavit. The victim also informed police she had sex with Caines on numerous occasions during the school year, including in his classroom.

Photos and text messages also were found on Caines’ phone indicating an inappropriate relationship, according to the report.

The “continuous sexual relationship” lasted about nine months, and detectives investigated the case “over several months,” according to a news release from KPD.

Robert Muller, Killeen Independent School District superintendent, said Caines was immediately put on administrative leave Feb. 14, once the district learned of the allegations.

Killeen ISD wouldn’t say Thursday how long Caines worked for the district or what subject he taught at Killeen High School. However, his teacher profile, which was still active Thursday on the Killeen ISD website, stated he taught biology and worked for the district for 17 years. The profile also indicated that Caines was from St. Croix, U.S. Virgin Islands, and he served 13 years in the Army as a chemical operations specialist.

“The district is unable to provide further information pertaining to the matter involving former employee Samuel Caines,” Muller said in a written statement Thursday. “The Killeen Independent School District remains committed to the safety and welfare of its students.”

Caines was released after posting the required bond, and additional charges are pending, KPD officials said.

Contact Natalie Stewart at or 254-501-7555

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