Nurse Aide Training Center Llc offers a well-known training program to help you prepare for a career as a Certified Nursing Assistant. NATC's class takes place in Indianapolis. NATC has designed their Certified Nursing Assistant course to be flexible and convenient, with hybrid classes that can fit even the busiest schedules. The class is 105 hours long, the minimum required by the state (30 hours of theory in the classroom, 75 hours of in-person clinicals)