D3 MIAA formed in 1920.
Saint John's Minn.
And Saint Thomas were founding members.
Saint Mary's of Minnesota were added later in the decade.
Some of these teams appeared in the polls for football alongside the Ivy League, Big 10 and others on a weekly basis.
Tri-Normal League which became the Evergreen Conference was founded in 1920.
Central Washington 1920 founding member
Spokane University school closed in 1933
Are the founding members of the conference with Pacific Lutheran joining in 1938 and Saint Martin's joining in 1939.
Seattle U., Whitworth, Puget Sound and and British Columbia joined in the 1940s.
Kent State Normal founded their football program in 1920.
Oklahoma Sooners left the Southwest Conference to join the MVC
Phillips school closed joined the Southwest Conference
UCLA went from Independent to join the SCIAC which is now a D3 conference.
Were the founding members.
UCLA (1920-1927), San Diego State (1926-1939), Laverne 1926-1938) and Cal. Santa Barbara 1931-1938 were other members at the time.
The Fort Worth Classic was a Bowl game where Centre defeated TCU.
Grinnell was a major college at the time who was also part of the Big 8 schools at one time and left.
Washington And Lee
They were major at the time.
Transylvania, Chattanooga, Mississippi College (Gulf South Conference), Howard, VMI, The Citadel, Millsaps, Georgetown, Mercer, Wofford, part of what is now the Southern Conference with major schools from the SEC and ACC and members of other FBS conferences.
Richmond, Davidson, William & Mary was in the same conference with Catholic U. and them with Virginia Tech, Maryland and North Carolina.
CIAA Founded in 1912:
Saint Paul's closed
North Carolina A&T
Johnson C. Smith
North Carolina Central
Inter-Normal Athletic Conference of Wisconsin (1913-1926) Now D3 WIAC
Stout and Eau Claire
Kansas Collegiate Athletic Conference (KCAC) NAIA founded in 1869. Formally called Kansas Intercollegiate Athletic Association
Kansas State founder
In 1902 minus Kansas and Kansas State:KCAC was the new name.
College of Emporia closed
Wichita State was known as Fairmont State
Fort Hays State
St. Benedict's now Benedictine
St. Mary's dropped sports
St. John's (closed)
Kansas City (closed)
Louisiana Intercollegiate Athletic Association
Not sure who else was in the conference at the time.
Michigan Intercollegiate Athletic Association (MIAA) D3
Michigan State (founder)
Eastern Michigan joined later while Mich. State was there.
Nebraska Intercollegiate Conference now known as the defunct NAIA's Nebraska College Athletic Conference
Ohio Athletic Conference (OAC) founded in 1902 D3
Oklahoma Intercollegiate Conference (1914–1928)
Southwestern Oklahoma State
East Central Oklahoma
Southeastern Oklahoma State
Northeastern Oklahoma State
There were also a lot of Independents back in those days not involved in conferences.