(KMOV) -- Police have arrested Alton High School's band director and charged him with having sex with a student.
Matthew Lang was taken into custody Wednesday afternoon.
Lang was charged with two felony counts of sexual assualt and two counts of aggravated criminal sexual abuse.
Police say the 36-year-old had sex with the 16-year-old female more than once during school hours.
Police say the encounters happened at school and at locations away from the school.
According to the school's web site, Lang is in his first year as band director.
He previously taught at O'Fallon Township High School.
Lang's bond is set at $250,000.