Editing Border Conference (section)

===Membership timeline===
<timeline>
DateFormat = yyyy
ImageSize  = width:925 height:auto barincrement:20
Period     = from:1931 till:2036
TimeAxis   = orientation:horizontal
PlotArea   = right:20 left:0 bottom:50 top:5

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
         id:Big12 value:rgb(0.999,0.500,0.500) #
         id:Ind value:rgb(0.83,0.83,0.83) #

PlotData=
  width:15 textcolor:black shift:(5,-5) anchor:from fontsize:s

  bar:1 color:Full from:1931 till:1962 text:[[University of Arizona|Arizona]] (1931–1962)
  bar:1 color:OtherC2 from:1962 till:1978 text:[[Western Athletic Conference|WAC]]
  bar:1 color:OtherC1 from:1978 till:2024 text:[[Pac-12 Conference|Pac-12]]
  bar:1 color:Big12 from:2024 till:end text:[[Big 12 Conference|Big 12]]

  bar:2 color:Full from:1931 till:1962 text:[[Arizona State University|Arizona State Teachers–Tempe]] (1931–1962)
  bar:2 color:OtherC2 from:1962 till:1978 text:[[Western Athletic Conference|WAC]]
  bar:2 color:OtherC1 from:1978 till:2024 text:[[Pac-12 Conference|Pac-12]]
  bar:2 color:Big12 from:2024 till:end text:[[Big 12 Conference|Big 12]]

  bar:3 color:Full from:1931 till:1953 text:[[Northern Arizona University|Arizona State Teachers–Flagstaff]] (1931–1953)
  bar:3 shift:(35) color:OtherC2 from:1953 till:1962 text:[[Frontier Conference (1940–1962)|NMIC]]
  bar:3 color:Ind from:1962 till:1970 text:[[NAIA independent schools|NAIA Ind]]
  bar:3 color:OtherC1 from:1970 till:end text:[[Big Sky Conference|Big Sky]]

  bar:4 color:Full from:1931 till:1951 text:[[University of New Mexico|New Mexico]] (1931–1951)
  bar:4 color:OtherC1 from:1951 till:1962 text:[[Skyline Conference (1938–1962)|Skyline]]
  bar:4 color:OtherC2 from:1962 till:1999 text:[[Western Athletic Conference|WAC]]
  bar:4 color:OtherC1 from:1999 till:end text:[[Mountain West Conference|Mountain West]]

  bar:5 color:Full from:1931 till:1962 text:[[New Mexico State University|New Mexico A&amp;M]] (1931–1962)
  bar:5 color:Ind from:1962 till:1970 text:[[NCAA University Division|UD Ind]]
  bar:5 color:OtherC2 from:1970 till:1983 text:[[Missouri Valley Conference|MVC]]
  bar:5 color:OtherC1 from:1983 till:2005 text:[[Big West Conference|Big West]]
  bar:5 color:OtherC2 from:2005 till:2023 text:[[Western Athletic Conference|WAC]]
  bar:5 color:OtherC1 from:2023 till:end text:[[Conference USA|CUSA]]

  bar:6 color:Full from:1932 till:1957 text:[[Texas Tech University|Texas Technological]] (1932–1957)
  bar:6 color:FullxF from:1957 till:1960 text:[[Southwest Conference]]
  bar:6 color:OtherC1 from:1960 till:1996 
  bar:6 color:Big12 from:1996 till:end text:[[Big 12 Conference|Big 12]]

  bar:7 color:Full from:1935 till:1962 text:[[University of Texas at El Paso|Texas Mines]] (1935–1962)
  bar:7 color:Ind from:1962 till:1967 text:[[NCAA University Division|UD Ind]]
  bar:7 color:OtherC2 from:1967 till:2005 text:[[Western Athletic Conference|WAC]]
  bar:7 color:OtherC1 from:2005 till:2026 text:[[Conference USA|CUSA]]
  bar:7 color:OtherC2 from:2026 till:end text:[[Mountain West Conference|Mountain West]]

  bar:8 color:Full from:1941 till:1962 text:[[Hardin-Simmons University|Hardin-Simmons]] (1941–1962)
  bar:8 color:Ind from:1962 till:1973 text:pre-DIII Ind
  bar:8 color:Ind from:1973 till:1990 text:[[NCAA Division III independent schools|DIII Ind]]
  bar:8 color:OtherC2 from:1990 till:1996 text:[[Texas Intercollegiate Athletic Association (1976–1997)|TIAA]]
  bar:8 color:OtherC1 from:1996 till:end text:[[American Southwest Conference|American Southwest]]

  bar:9 color:Full from:1941 till:1962 text:[[West Texas A&amp;M University|West Texas Teachers']] (1941–1962)
  bar:9 color:Ind from:1962 till:1972 text:[[NCAA University Division|UD Ind]]
  bar:9 color:OtherC2 from:1972 till:1986 text:[[Missouri Valley Conference|MVC]]
  bar:9 color:OtherC1 from:1986 till:1991 text:[[Lone Star Conference|LSC]]
  bar:9 color:Ind from:1991 till:1993 text:[[NCAA Division II independent schools|DII Ind]]
  bar:9 shift:(20) color:OtherC1 from:1993 till:end text:[[Lone Star Conference|LSC]]

  bar:N color:red from:1931 till:1962  text:Border Intercollegiate Athletic Association
  bar:N color:blue from:1962 till:end  text:Post-Border

ScaleMajor = gridcolor:line unit:year increment:5 start:1935

TextData =
   fontsize:L
   textcolor:black
   pos:(250,30) # tabs:(0-center)
   text:"Border Conference membership history"
</timeline>

{{Font color||{{RGB|190|186|218}}|Full members&nbsp;}}<br>{{Font color||{{RGB|141|211|199}}|Full members (non-football)&nbsp;}}<br>{{Font color||{{RGB|217|217|217}}|Independent&nbsp;}}<br>{{Font color||{{RGB|255|255|179}}|Other Conference&nbsp;}}<br>{{Font color||{{RGB|253|180|98}}|Other Conference&nbsp;}}<br>{{Font color||{{RGB|255|125|125}}|[[Big 12 Conference]]&nbsp;}}