I'm actually doing a similar analysis of UK universities for a non-profit I help run (http://quofoundation.org http://quofoundation.org) and see the exact same

I'm actually doing a similar analysis of UK universities for a non-profit I help run (http://quofoundation.org http://quofoundation.org) and see the exact same issue. With universities you can get around the problem by adjusting for entry grades. I wonder if something similar would be possible in this situation.