Editing Big 12 Conference (section)

==== Earlier Membership timelines ====

[[Big Eight Conference#Membership timeline|Click here]] for the [[Big Eight Conference]] Timeline which predates the Big 12 timeline for founding members:
* [[University of Colorado Boulder|Colorado]]
* [[Iowa State University|Iowa State]]
* [[University of Kansas|Kansas]]
* [[Kansas State University|Kansas State]]
* [[University of Missouri|Missouri]]
* [[University of Nebraska–Lincoln|Nebraska]]
* [[University of Oklahoma|Oklahoma]]
* [[Oklahoma State University–Stillwater|Oklahoma State]]

[[Southwest Conference#Membership timeline|Click here]] for the [[Southwest Conference]] Timeline which predates the Big 12 timeline for founding members:
* [[Baylor University|Baylor]]
* [[University of Texas at Austin|Texas]]
* [[Texas A&M University|Texas A&M]]
* [[Texas Tech University|Texas Tech]]

Current members with the longest continuous association with the [[Big Eight Conference]] / [[Southwest Conference]] / Big 12 Conference.

{| class="wikitable sortable" style="text-align:center"
|-
! Institution
! Started Current<br />Association In
! Continuous<br />Years
! Note
|-
| [[University of Kansas|Kansas]]
| 1907
| {{Years ago|1907}}
|
|-
| [[Iowa State University|Iowa State]]
| 1908
| {{Years ago|1908}}
|
|-
| [[Kansas State University|Kansas State]]
| 1913
| {{Years ago|1913}}
|
|-
| [[Baylor University|Baylor]]
| 1915
| {{Years ago|1915}}
|
|-
| [[Texas Tech University|Texas Tech]]
| 1956
| {{Years ago|1956}}
|
|-
| [[Oklahoma State University|Oklahoma State]]
| 1958
| {{Years ago|1958}}
| Previously: 10 years in the Southwest Conference (1914–1924);<br />3 years in the [[Big Eight Conference|MVIAA]] (1924–1927)
|-
| [[Texas Christian University|TCU]]
| 2012
| {{Years ago|2012}}
| Previously: 73 years in the Southwest Conference (1923–1996)
|-
| [[West Virginia University|West Virginia]]
| 2012
| {{Years ago|2012}}
|
|-
| [[Brigham Young University|BYU]]
| 2023
| {{Years ago|2023}}
|
|-
| [[University of Central Florida|UCF]]
| 2023
| {{Years ago|2023}}
|
|-
| [[University of Cincinnati|Cincinnati]]
| 2023
| {{Years ago|2023}}
|
|-
| [[University of Houston|Houston]]
| 2023
| {{Years ago|2023}}
| Previously: 20 years in the [[Southwest Conference]] (1976–1996)
|- 
| [[University of Arizona|Arizona]]
| 2024
| {{Years ago|2024}}
|
|- 
| [[Arizona State University|Arizona State]]
| 2024
| {{Years ago|2024}}
|
|- 
| [[University of Utah|Utah]]
| 2024
| {{Years ago|2024}}
|
|- 
| [[University of Colorado Boulder|Colorado]]
| 2024
| {{Years ago|2024}}
| Previously: 49 years in the [[Big Eight Conference]] (1947–1996)<br />and 15 years in the Big 12 Conference (1996–2011)
|}