The operator of a training center shall: Employ instructors approved by the Administration to teach the approved motorcycle safety courses; and Keep records of the credentials of the instructors working for them. Student to Instructor Ratio. The maximum student to instructor ratio for the classroom sessions is as set forth in the training center contract. The maximum student to instructor ratio for the range sessions in a course is as set forth in the training center contract. Only instructors approved by the Administration shall be assigned responsibility for instructional and student supervision activities during a course.