Oklahoma School for the Deaf Oklahoma School for the Deaf Oklahoma School for the Deaf (OSD) is a residential school for the deaf and hard of hearing students ages 2 through 18. The school teaches K-12 students in Sulphur, Oklahoma. The first school in what would later become the state of Oklahoma to give instruction to deaf children was at Fort Gibson.This school, started by a Mrs. Lowery, provided for the education of blind Indian children of the Five Civilized Tribes. Later, deaf children were admitted. In 1898, Mr. and Mrs. Ellsworth Long started a school for deaf children in Guthrie,then the capital of Oklahoma
Oklahoma State Highway 99 become a U.S. Route, while another suggested a northern terminus at US-64 near Cleveland. On June 18, 1964, AASHTO accepted an extension of US-377 from Texas to US-70 in Madill. The Department of Highways, and later the Department of Transportation, submitted an application to extend US-377 from Madill to US-64 in Cleveland eight times between December 1964 and 1980. In 1991, ODOT signed the route to Stroud along SH-99 without AASHTO approval. SH-99 has two lettered spurs: Oklahoma State Highway 99 State Highway 99, abbreviated SH-99, is a north–south state highway through central Oklahoma. It runs from the Texas border