I'm guessing TCU must really be trying hard.
Found these numbers posted on the Big 12 board:
Notice #24 in revenue.
Latest School Revenues 07/01/2020 - 06/30/2021
Info From
Equity in Athletics
Reporting Year: 07/01/2020 - 06/30/2021
Total Revenues by School
001.) University of Georgia - $169,064,656
002.) The University of Alabama - $157,062,672
003.) University of Oklahoma-Norman - $153,657,898
004.) The University of Texas at Austin - $150,273,687
005.) Ohio State University - $141,201,562
006.) Texas A & M University-College Station - $136,858,666
007.) University of South Carolina-Columbia - $135,157,387
008.) University of Arkansas - $132,813,474
009.) The Pennsylvania State University - $131,512,404
010.) University of Michigan-Ann Arbor - $131,457,995
011.) The University of Tennessee-Knoxville - $129,094,424
012.) University of Notre Dame - $128,685,354
013.) Auburn University - $128,356,495
014.) Stanford University - $127,653,964
015.) University of Florida - $124,429,950
016.) University of Southern California - $122,345,826
017.) University of Kentucky - $114,823,384
018.) Louisiana State University - $113,987,809
019.) University of Mississippi - $112,712,062
020.) University of California-Los Angeles - $110,128,961
021.) University of Louisville - $109,320,332
022.) Clemson University - $107,958,000
023.) Duke University - $107,115,232
024.) Texas Christian University - $104,654,966
025.) University of Virginia - $103,981,972
026.) Arizona State University - $102,558,046
027.) University of Pittsburgh - $101,987,725
028.) Vanderbilt University - $101,424,573
029.) University of Wisconsin-Madison - $101,110,054
030.) University of North Carolina at Chapel Hill - $99,977,454
Thanks to the poster there for sharing it on their post.