Oak Grove School (Grant County, Arkansas)

The Oak Grove School is a historic school building in rural eastern Grant County, Arkansas. It is located on the south side of United States Route 270, about 6 mi east of Sheridan, and is now home to the Center Grove United Methodist Church. It is a single-story wood-frame structure, with a hip roof and novelty siding. It was built in 1938 with funding from the Works Progress Administration, and originally housed four classrooms. It was used as a school until 1950, and has served as the church since then.

The building was listed on the National Register of Historic Places in 1991.