Realtor classes: Courses that teach individuals how to become a realtor and are often required to join a local realtor association. Realtor classes: Classroom-based or online courses designed to prepare individuals for the Realtor designation, which requires additional education and ethical standards. Realtor classes - Take courses and classes specific to the National Association of Realtors to become a member and use the Realtor designation. Kentucky REALTOR® Institute 96 hour online program consists of four parts: Part A, Part B, Course Project and Final Exam. The program is approved by the Kentucky Real Estate Commission (KREC). Part A, Part B and the Course Project is completed online.