There are a lot of more or less trustworthy rankings that are based on surveys of practitioners (SCM World), research output (FT) or other types of data (Eduniversal). I cannot see any methodology behind your ranking? What is the methodological foundation your ranking is based upon? Or is this just your opinion? If so, you should indicate this already in the headline of your article. Otherwise this list is just misleading. You should understand that you take a lot of responsibility by publishing a ranking that might later be used to make decisions, . by future students. Therefore, it should be based on sound data and a rigorous methodology.