Actually it's fairly rare, but the number of schools that do has been steadily increasing in the last few years. The list as of last season:
http://www.wave3.com/story/26414932...iums-that-sell-beer-at-college-football-games
On Campus Stadiums
+ Akron
+ Bowling Green
+ Cincinnati
+ Colorado State
+
Houston
+ Kent
+ Louisiana-Lafayette
+ Louisiana-Monroe
+ Louisville
+ Minnesota
+ Nevada
+ SMU
+ Syracuse
+ Toledo
+ Troy
+ Tulane
+ UNLV
+ UTEP
+ Western Kentucky
+ West Virginia
Off campus:
+ Connecticut
+ Georgia State
+ Hawaii
+ Massachusetts
+ Memphis
+ Miami
+ San Diego State
+ South Alabama
+ South Florida
+ Temple
+ Texas-San Antonio
