Here Wustl is at the ninth highest SAT scores, pretty close to what I have said. If you put GPA and SAT together it's seventh: http://www.forbes.com/sites/schifrin/2014/08/04/top-100-sat-scores-ranking-which-colleges-have-the-brightest-kids/#1176cb1738a1
Several years ago, there was a section describing college selectivity based solely on GPA and SAT scores in US News college ranking website, but I cannot find it there today, I don't know if they removed it or not.