Todd Eric Kaiser appeared in Barton County District Court on Monday for his first appearance on the charge of sexual exploitation of a child.Kaiser appeared in court with his attorney and waived the reading of the charge, County Attorney Amy Mellor reported.His preliminary hearing was scheduled for 8:30 a.m. on April 6.The defendant was arrested on June 6, 2016, and released after posting a $50,000 surety bond, which remains in effect. At the time, Kaiser was 54 years old and was the head track and cross country coach at Great Bend High School. He also taught physical education at Eisenhower Elementary, and was the winter weights coach and driver’s education teacher for GBHS. He had worked for USD 428 since 1987.