Killeen ISD was informed that a high school student at Harker Heights was doing cocaine, in school, during class.
According to the Affidavit, 17-year-old, Alexander Jackson, taught other students how to use the drug.
One local parent, who has students in the same school district, says she is concerned for her own children, and believes the school needs to do something about this situation.
When police searched Jackson, they found a bag of white powder that they confirmed as cocaine at the scene.
Jackson was taken to jail, and charged with Possession of a Controlled Substance, have under one gram of cocaine.
Killeen ISD says they are taking administrative action.