According to this study, Emory has had less grade inflation since 2000 then all but a handful of private schools. Of that handful, Princeton and Brigham Young are/were well known for intentional grade deflation, Rennsselaer is a STEM school and Brown started off with a much higher average baseline of grades (>3.6) v. Emory (3.2-3.4).
http://www.gradeinflation.com/figure6.png
http://www.gradeinflation.com/
At Harvard the most commonly awarded grade is an A.
http://www.thecrimson.com/article/2013/12/9/stats-grade-inflation/