In 2012, McMurry left the ASC and completed the process of reclassifying to a full-scholarship, Division II institution and joined the Heartland Conference.

Austin College and Trinity University (Texas), announced they would play football in the Southern Athletic Association beginning with the 2017 season.

While the school did not immediately announce its future affiliation, it stated that it expected to join the Lone Star Conference.

[14] In July 2020, Louisiana College announced that it would leave the NCAA and applied to rejoin the National Association of Intercollegiate Athletics after the 2020–21 school year.

[17] and on November 26, 2021, when the USA South Athletic Conference initially named Belhaven as its newest member in the 2022–23 academic year.

[19] On November 1, 2022, McMurry University announced that it will leave the ASC in the fall of 2024 to join the Southern Collegiate Athletic Conference.

[20] While on February 1, 2023, Sul Ross State University announced that it will leave the ASC in the fall of 2024 to join the Lone Star Conference into Division II.

[22] The rapid loss of members continued, with UT Dallas announcing their intent to transition to Division II and follow fellow conference member Sul Ross State to the Lone Star Conference on July 20, 2023 and LeTourneau announcing that they would be following McMurry, Concordia, and Ozarks to the SCAC on April 25, 2024, with both changes occurring for the 2025–26 school year.