The campus of Triadelphia Middle School is located in the Oak Park section of Wheeling, West Virginia. The campus consists of 27 acres with a main academic building, a fine arts building, athletic building, football field, basketball courts, and support areas. The school is rich in tradition and academic accomplishments. From 1917 until 1976, Triadelphia was a high school, grades 9 to 12, and in later years, grades 10 to 12. From 1976 until 1991, it was a junior high school, grades 7 to 9. In 1983, it was designated as a charter member by the United States Department of Education as a National School of Excellence. In 1990, it was designated as a Middle School, grades 6 to 8, and has continued in that capacity to the present.