Three key buildings anchor this historic site: the North Building, the South Building, and the Finance Building.
The North Building, completed in 1910, originally housed the Oklahoma Presbyterian College for Girls. Made of red brick with white stone trim, it served as both a dormitory and classrooms for the growing college, which started as the Calvin Institute in 1894 before becoming Oklahoma Presbyterian College for Girls. The building once had a partial fourth floor, but it was removed after a 1941 fire. Students enjoyed a well-rounded college life with academics, sports, performances, and two swimming pools in the basement.
The South Building was built just south of the North Building in 1918, and shares a similar design. The two buildings were once joined by a covered walkway on the second level, which was taken down and rebuilt in 2022-23 with matching materials. Both buildings served the college until it closed in 1966.
When the college closed in 1966, the site sat vacant until 1975, when it began hosting community programs and later became the site for Choctaw Nation administrative offices after Chief Gardner moved them there. The property was added to the National Register of Historic Places in 1976. Today, the campus is known as the Gregory E.Pyle Tribal Complex and continues to honor over a hundred years of Choctaw cultural and educational history.
Project Update
An asbestos inspection was completed as part of a routine 2025 inspection for planned renovations. Asbestos was identified in building materials. Abatement planning for this asbestos-containing material is ongoing. Abatements will begin soon.