Dallas Theological Seminary (DTS) is an evangelical theological seminary in Dallas, Texas. It is known for popularizing the theological system of dispensationalism. DTS has campuses in Dallas, Houston, and Washington, D.C., as well as extension sites in Atlanta, Austin, San Antonio, Nashville, Northwest Arkansas, Europe, and Guatemala, and a multilingual online education program. DTS is the largest non-denominational seminary accredited by the Association of Theological Schools.