See Computer Ratings for an explanation. 

 The computer program now
 employs a ten goal limit TGL in order to discourage "running-up-the-score."

 Raw PR = the sum of Pr(in) + PR(out) + TGL + qwf + W-L % (all games). Normalization means adjusting the values so the maximum is 100. This includes the National Regional Offset Margin.
Interleague games can be found here
 
 
         
      
   
     
 
   
           
           

To compare power ratings over the past nine years,
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                               Norm   Raw    Reg    Reg    TGL            All
Rnk Team                        PR     PR    In     Out    Adj    QWF     W-L   W  L  T
 
  1 John Carroll School       98.70 105.64  98.60  -0.28   0.04   2.27   1.00  18- 0- 0
  2 McDonogh School           95.57 101.74  95.87   0.32  -0.34   1.60   0.86  18- 3- 0
  3 Severn School             92.36  98.19  94.05   0.21   0.00   0.60   0.67  12- 6- 0
  4 Notre Dame Prep, MD       91.25  96.95  93.73   0.30  -0.53   0.20   0.65  13- 7- 0
  5 Archbishop Spalding       90.86  96.40  92.38  -0.25   0.40   0.45   0.68  13- 6- 0
  6 St. Mary's, MD            90.70  96.17  93.59   0.16  -0.58  -0.10   0.62  13- 8- 0
  7 Bryn Mawr SG              89.61  94.96  92.59   0.16  -0.43  -0.17   0.56   9- 7- 0
  8 Roland Park Country       89.30  94.62  92.01   0.16   0.00  -0.05   0.50   7- 7- 0
  9 St. Paul's SG, MD         87.17  91.97  90.36   0.03  -0.04  -0.22   0.37   7-12- 0
 10 Maryvale Prep             86.89  91.61  88.61   1.05   0.59  -0.20   0.31   5-11- 0
 11 Mount de Sales            86.17  90.71  88.20   0.08   0.16   0.05   0.44   8-10- 0
 12 Mercy, MD                 84.63  88.82  88.29  -0.30   0.00  -0.50   0.27   4-11- 0
 13 Seton Keough              82.48  86.17  84.51   0.26   0.40   0.05   0.19   3-13- 0