See Strength of Schedule for an explanation. There are three sos calculations:
the 1st averages the opponents computer rating based on
 computer margin of victory "Reg In" and "ROM", the 2nd
 is similar to the first but instead of a simple average, it
 weighs games against stronger teams more heavily, and
 the 3rd is based on the RPI SOS formula used by the NCAA. This factor is not used in the power rating calculation.
          
      
   
     
   
           
           

Congratulations to Spain Park - 2012 GBYLA Alabama State Champions
     
  
  
   
Rank Team                    Total  SOS Ave   SOS Wt Ave  SOS RPI    W  L  T
                             Games Rnk Value  Rnk Value  Rnk Value
 
   1 Vestavia Hills            12   1  85.45   1  67.83   3   0.58   3  9  0
   2 Mountain Brook            15   2  85.25   2  67.27   4   0.57   4 11  0
   3 Birmingham-Hoover         17   3  84.47   3  65.87   5   0.56  10  7  0
   4 Spain Park                13   4  84.45   4  65.79   1   0.60  12  1  0
   5 Virgil Grissom            15   5  83.55   5  64.02   2   0.59   9  6  0
   6 Spain Park B               3   6  82.12   6  61.23   8   0.48   0  3  0
   7 Briarwood School           7   7  81.39   8  59.94   9   0.46   4  3  0
   8 John Carroll              13   8  81.31   7  60.32   7   0.49   7  6  0
   9 Altamont School            2   9  81.03   9  59.23  10   0.43   0  2  0
  10 Homewood                   4  10  80.62  10  58.57  11   0.42   0  4  0
  11 Oak Mountain               8  11  80.07  11  57.84  13   0.41   3  5  0
  12 Mountain Brook B           3  12  79.55  13  56.65  12   0.42   1  2  0
  13 Bob Jones                 13  13  79.44  12  56.86  14   0.40   6  7  0
  14 Huntsville                13  14  79.30  14  56.53  15   0.40   9  4  0
  15 Birmingham LC              2  15  77.21  15  53.10   6   0.54   1  1  0