The rating shown for each conference is the simple average of all of its teams. Other raters (Sagarin, for example) advocate for slightly different calculations, but in my experience this one works well enough.
Rank Conference Mean Rating ---- ------------------------- ----------- 1 SEC 3.41 2 Big Ten 2.93 3 ACC 2.69 4 Big 12 2.50 5 Big East 1.66 6 AAC 0.37 7 MVC 0.26 8 Ivy League 0.16 9 Atlantic 10 0.15 10 Mountain West -0.04 11 WCC -0.05 12 CUSA -0.05 13 MAC -0.37 14 Sun Belt -0.40 15 Big Sky -0.43 16 WAC -0.59 17 Summit League -0.59 18 SoCon -0.63 19 Southland -0.72 20 ASUN -0.83 21 Horizon -0.88 22 Patriot -0.97 23 CAA -1.01 24 OVC -1.06 25 Big West -1.07 26 America East -1.14 27 MAAC -1.39 28 MEAC -1.77 29 SWAC -1.83 30 Big South -2.01 31 NEC -2.97 32 Independent -6.11