The Texas Intercollegiate Athletic Association (TIAA) was an NCAA Division III and NAIA college athletic conference that operated from 1976 to 1996. Its members were all located in the US state of Texas. When the association dissolved in 1996, most of the teams joined the newly formed American Southwest Conference which included teams from other states.
| Institution | Nickname | Location | Founded | Affiliation | Enrollment | Joined[1] | Left | Subsequent conference(s) | Current conference |
|---|---|---|---|---|---|---|---|---|---|
| Austin College | Roos | Sherman | 1849 | Presbyterian | 1,291 | 1976 | 1996 | American Southwest (1996–2006) | Southern (SCAC) (2006–present) |
| University of Dallas | Crusaders | Irving | 1956 | Catholic | 3,255 | 1989 | American Southwest (1996–2001) D-III Independent (2001–11) | Southern (SCAC) (2011–present) | |
| Hardin–Simmons University | Cowboys | Abilene | 1891 | Baptist | 2,333 | 1990 | American Southwest (1996–present) | ||
| Howard Payne University | Yellow Jackets | Brownwood | 1889 | Baptist | 1,400 | 1987 | American Southwest (1996–present) | ||
| McMurry University | War Hawks | Abilene | 1923 | United Methodist | 1,430 | 1976 | various | Southern (SCAC) (2024–present) | |
| Sul Ross State University | Lobos | Alpine | 1917 | Public | 2,070 | 1976 | American Southwest (1996–2024) | Lone Star (LSC) (2024–present) | |
| Institution | Nickname | Location | Founded | Affiliation | Enrollment | Joined | Left | Subsequent conference(s) | Current conference | |
|---|---|---|---|---|---|---|---|---|---|---|
| Lubbock Christian College | Chaparrals | Lubbock | 1957 | Churches of Christ | 2,100 | 1979 | 1982 | various | Lone Star (LSC) (2019–present) | |
| Midwestern State University | Mustangs | Wichita Falls | 1922 | Public | 6,093 | 1990 | 1995 | Lone Star (LSC) (1995–present) | ||
| Tarleton State University | Texans | Stephenville | 1899 | Public | 13,996 | 1976 | 1991 | NAIA/D-II Independent (1991–94) Lone Star (LSC) (1994–2020) | Western (WAC) (2020–present) | |
| Trinity University | Tigers | San Antonio | 1869 | Nonsectarian | 2,487 | 1976 | 1981 | D-III Independent (1981–89) | Southern (SCAC) (1989–present) | |
DateFormat = yyyy
ImageSize = width:900 height:auto barincrement:20
Period = from:1976 till:2026
TimeAxis = orientation:horizontal
PlotArea = right:20 left:0 bottom:50 top:5 #> to display a count on left side of graph, use "left:20" to suppress the count, use "left:20"<#
Colors =
id:barcolor value:rgb(0.99,0.7,0.7) id:line value:black id:bg value:white id:Full value:rgb(0.742,0.727,0.852) # Use this color to denote a team that is a member in all sports id:FullxF value:rgb(0.551,0.824,0.777) # Use this color to denote a team that is a member in all sports except for football id:AssocF value:rgb(0.98,0.5,0.445) # Use this color to denote a team that is a member for football only id:AssocOS value:rgb(0.5,0.691,0.824) # Use this color to denote a team that is a member in some sports, but not all (consider identifying in legend or a footnote) id:OtherC1 value:rgb(0.996,0.996,0.699) # Use this color to denote a team that has moved to another conference id:OtherC2 value:rgb(0.988,0.703,0.383) # Use this color to denote a team that has moved to another conference where OtherC1 has already been used, to distinguish the two
PlotData=
width:15 textcolor:black shift:(5,-5) anchor:from fontsize:s
bar:1 color:Full from:1976 till:1996 text:Austin College (1976–1996) bar:1 color:OtherC1 from:1996 till:2006 text:ASC bar:1 color:OtherC2 from:2006 till:end text:SCAC
bar:2 color:Full from:1976 till:1996 text:McMurry (1976–1996) bar:2 color:OtherC1 from:1996 till:2012 text:ASC bar:2 shift:(-20) color:OtherC2 from:2012 till:end text:Heartland bar:2 color:OtherC1 from:2014 till:2024 text:ASC bar:2 color:OtherC2 from:2024 till:end text:SCAC
bar:3 color:Full from:1976 till:1996 text:Sul Ross State (1976–1996) bar:3 color:OtherC1 from:1996 till:2024 text:ASC bar:3 color:OtherC2 from:2024 till:end text:Lone Star
bar:4 color:Full from:1976 till:1991 text:Tarleton State (1976–1991) bar:4 color:OtherC1 from:1991 till:1994 text:NAIA Ind. bar:4 color:OtherC2 from:1994 till:2020 text:Lone Star bar:4 color:OtherC1 from:2020 till:end text:WAC
bar:5 color:Full from:1976 till:1981 text:Trinity (Tex.) (1976–1981) bar:5 shift:(40) color:OtherC1 from:1981 till:1989 text:D-III Ind. bar:5 color:OtherC2 from:1989 till:2025 text:SCAC bar:5 color:OtherC1 from:2025 till:end text:SAA
bar:6 color:Full from:1979 till:1982 text:Lubbock Christian (1979–1982) bar:6 shift:(110) color:OtherC1 from:1982 till:1994 text:NAIA Ind. bar:6 color:OtherC2 from:1994 till:2013 text:Sooner bar:6 color:OtherC1 from:2013 till:2019 text:Heartland bar:6 color:OtherC2 from:2019 till:end text:Lone Star
bar:7 color:Full from:1987 till:1996 text:Howard Payne (1987–1996) bar:7 color:OtherC1 from:1996 till:2025 text:ASC
bar:8 color:AssocF from:1987 till:1990 text: bar:8 color:Full from:1990 till:1995 text:Midwestern State (1990–1995) bar:8 shift:(70) color:OtherC1 from:1995 till:end text:Lone Star
bar:9 color:Full from:1989 till:1996 text:Dallas (1989–1996) bar:9 color:OtherC1 from:1996 till:2011 text:ASC bar:9 color:OtherC2 from:2001 till:2011 text:D-III Ind. bar:9 color:OtherC1 from:2011 till:end text:SCAC
bar:10 color:Full from:1990 till:1996 text:Hardin–Simmons (1990–1996) bar:10 shift:(50) color:OtherC1 from:1996 till:2025 text:ASC
ScaleMajor = gridcolor:line unit:year increment:4 start:1976