What is "a and m"

Usage examples of "a and m".

So I can state that the man did not graduate from any division of the University of Texas, or from Texas Christian in Fort Worth, Texas Tech in Lubbock, Texas Wesleyan in Fort Worth, Texas Southern in Houston, Texas Eastern in Tyler, Texas Lutheran in Seguin, Texas A and I at Kingsville, Texas A and M at College Station and Prairie View, East Texas Baptist at Marshall, East Texas State at Commerce, North Texas State at Denton, or West Texas State at Canyon.