A southeast Oklahoma High School teacher and cheer leader coach has been charged with allegedly committing immoral acts with a 14 year old male student. 48 year old Shelley Duncan of Tishomingo, who is also a reserve with the Murray State College police department and the wife of the Tishomingo Superintendent, was arrested by OSBI agents in the parking lot of the Alternative School Friday morning. She was released after posting $20,000 bond.