Alright, here's what I got. I am trying to keep a public/private split
CSA
Division 1 Public (including KY schools, excluding TX/OK schools)
EAST
Florida
Florida State
Georgia
South Carolina
UNC - Chapel Hill
UVA
Tennessee
WEST
Kentucky
Alabama
Auburn
Ole Miss
Mississippi State
LSU
Arkansas
CSA Division 1 Private/Religious
University of Miami (Assuming Miami as a town grows ITTL as OTL of course)
Georgia Tech
Duke
Clemson
Virigina Tech
Memphis
Louisville
Tulane
Not really sure what to do with Texas and OK - There's a lot of big religious schools in TX that sort of gum up the works (TCU, Baylor, SMU). Texas being Texas they'd probably lump all the schools into Division 1: UT, TX A&M, Baylor, TTU, SMU, TCU, UTSA, UTEP (called UTLP ITTL) and Houston makes 8. If you want to add OU and OK ST that's ten.
USA
Midwest (ie, Big Ten)
Michigan
Michigan State
Ohio State
Indiana
Purdue
Illinois
Wisconsin
Minnesota
Keep the Ivy League as is
USA Big Private Non-Ivies
Northwestern
University of Chicago
Notre Dame
Boston College
Cincinnatti
Pitt
Syracuse
Duquense
Northeast
Penn State
Rutgers
West Virginia
Marshall
Maryland
Delaware
UMass
UConn
USA "Small" Private. Basically the Big East, but they all play rugby as opposed to none of them playing football OTL
Creighton
Marquette
DePaul - my alma mater if you need a dominant program hint hint
Butler
Xavier
Georgetown (maybe? Depends on if they rebuild after the GAW. If no Georgetown sub in St. Joes from Philly)
Villanova
Seton Hall
Saint Johns
Providence
Plains States (Big Eight, sorta)
Nebraska Lincoln
Iowa
Iowa State
Mizzou
Kansas
Kansas State
Dakota State (an homage to
@DanMcCollum )
UC - Boulder
Pacific Ten (basically the same as the old Pac Ten of OTL
Cal Berkley
Stanford
Arizona (Assuming the USA takes Confederate Arizona post GAW)
Arizona State
USC
UCLA
Washington
Wazzu
Oregon
Oregon State