Including my 39, here are the stats so far

Mean 29.26666667
Standard Error 1.041296271
Median 27
Mode 20
Standard Deviation 10.67011162
Sample Variance 113.8512821
Kurtosis 0.021356812
Skewness 0.809302666
Range 50
Minimum 11
Maximum 61
Sum 3073
Count 105

In public education you qualify for special ed if you are more than two standard deviations from the mean, so everyone under about 50 is just part of the normal curve. I guess you get some kind of special treatment if you are over 50