Abilene Christian University (ACU) is a private Christian university in Abilene, Texas. It was founded in 1906 as Childers Classical Institute. It is affiliated with Churches of Christ.

The Churches of Christ, also commonly known as the Church of Christ, is a loose association of autonomous Christian congregations located around the world. Typically, their distinguishing beliefs are that of the necessity of baptism for salvation and the prohibition of musical instruments in worship. Many such congregations identify themselves as being nondenominational. The Churches of Christ arose in the United States from the Restoration Movement of 19th-century Christians who declared independence from denominations and traditional creeds. They sought "the unification of all Christians in a single body patterned after the original church described in the New Testament."