The third, which was operated as Southern Bible College in connection with the Richey Evangelistic Temple, began in 1931 at Goose Creek, Texas (now Baytown), in 1931.
The combined school, operating as South Central Bible Institute, came under the ownership and direction of the Texas District Council of the Assemblies of God.
The school in Enid merged with South Central in 1941, at which time the name was changed to Southwestern Bible Institute.
In 1980, the Rocky Mountain District voted to withdraw from the Southwestern Region and to remain neutral.
In December 1994, the Board of Regents unanimously approved the name change to Southwestern Assemblies of God University to more accurately reflect its purpose and mission as a Bible university of theological and professional studies.
In 2015, Nelson University was granted an exception to Title IX, allowing it to discriminate against LGBT students for religious reasons.
In 2016, the organization Campus Pride ranked the college among the worst schools in Texas for LGBT students.
In 2008, three members of LGBT rights group Soulforce were arrested for trying to start a protest on campus.
Both colleges maintain Bible-based curriculum and strive to fulfill the mission of Nelson University.
[10] They are also a member of the National Christian College Athletic Association (NCCAA), primarily competing as an independent in the Central Region of the Division I level.
Nelson competes in 14 intercollegiate varsity teams: Men's sports include baseball, basketball, cross country, eSports, football, soccer and track & field; while women's sports include basketball, cross country, eSports, soccer, softball, track & field and volleyball.
Nelson University holds their football home games at Lumpkins Stadium.