Cartersville High School teacher Mark Mathison, of Cartersville, has been arrested after allegedly committing sex acts with a student.

The arrests came following a weeklong investigation by the GBI and Cartersville Police.

Mathison is charged with felony improper sexual contact by an employee, felony sexual exploitation of children, and misdemeanor obscene telephone contact.

Authorities said that the investigation is ongoing and if anyone has information on Mathison to contact the Criminal Investigative Division of the Cartersville Police Department at 770-387-5690.