(KMOV) -- A former Alton band director was sentenced to 6 years in prison for having an affair with a 16-year-old student.
According to the Madison County State Attorney's officer, 36-year-old Matthew Lang has to serve 85% of his sentence. He must also register as a sex offender.
Police say Lang had sex with the student more than once during school hours. Some of the encounters occurred at the school and others happened at locations away from the school.
According to the school's web site, Lang was in his first year as band director.