High Quality Content by WIKIPEDIA articles! Walnut Hill Elementary School is a public elementary school in Dallas Independent School District (DISD), serving grades PK 5. THe school is located at 10115 Midway Road in Dallas, near Walnut Hill Lane, and has been in operation since 1912, though the present building was constructed in 1946.THe school's predecessor was established in 1912 as Smith Hall School, near the same site; at the time, Walnut Hill Lane was known as Six Mile Road. ABout 1916, the school districts of Smith Hall and nearby Elms Springs merged, after which local landowner Albert Latham whose property included a farm and walnut grove on the northwest corner of Midway and Six Mile Road offered the new district 10 acres of land in exchange for naming the new school Walnut Hill School. THomas E. HEnry, previously Dallas County Superintendent of Public Schools, served as an early principal for the new grade school.