Students who exhibit impaired social interaction and communication skills and who engage in activities, behaviors, and interests that are repetitive, restricted, and stereotyped. In addition, they often experience unusual reactions to sensory stimuli. The majority of students with autism also exhibit significant cognitive disabilities (mental handicaps), although some have normal or above normal intelligence. (Review Rule 6A-6.03032, FAC at http://www.firn.edu/doe/rules/6a-63.htm#6A-6.03023.) H I J K N O Q R S U V W X Y Z