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 270 the same path in 1979 as it does today. Oklahoma State Highway 270 State Highway 270, abbreviated as SH-270, is a highway maintained by the U.S. state of Oklahoma. It runs on a former alignment of US-270 between US-62 in Harrah and US-177 north of Shawnee. (US-270 is now concurrent with Interstate 40 through the area.) The highway is long. SH-270 has no lettered spur routes. State Highway 270 begins at US-62 in Harrah, in Oklahoma County. The road runs through town on a southeast course, paralleling a rail line. As it leaves town, the highway gradually curves to the