Oklahoma School for the Deaf - Welcome to the OSD ASL Community Class Website. These are classes taught by OSD’s ASL Specialist. These are non credit level courses and do not count towards professional development hours or continuing education units. They are simply basic courses in conversational American Sign Language. | | | | | Accessibility, Community, Deaf and Hearing Impaired, Disability Advocacy, Educational, Oklahoma, Online Courses, People With Disabilities, Schools, Sign Language, United States, Video, Video Courses