A former Madison substitute teacher has been sentenced to five years in prison with the Missouri Department of Corrections. Ty Gramley of Columbia pled guilty to Possession of Child Pornography and Distributing Pornographic Materials to a Minor on February 6th. The charges arose during his time at the Madison School District. He was arrested on May 9th, 2019. Following his incarceration, Gramley will be required to register as a sex offender as a result of this plea. Gramley also must surrender his teaching certificate.