The special rules affect the taking of intermittent leave or leave on a reduced leave schedule, or leave near the end of an academic term (semester), by instructional employees. Instructional employees are those whose principal function is to teach and instruct students in a class, a small group, or an individual setting. This term includes not only teachers, but also athletic coaches, driving instructors, and special education assistants such as signers for the hearing impaired. It does not include, and the special rules do not apply to, teacher assistants or aides who do not have as their principal job actual teaching or instructing, nor does it include auxiliary personnel such as counselors, psychologists, or curriculum specialists. It also does not include cafeteria workers, maintenance workers, or bus drivers.