From sports to education, everything is captivated by rankings. Everyone wants their favorite team to be the best, and every parent wants their child to attend the best college or university. While sports teams can compete on the playing field to determine who is better on a given day, institutions of higher education have no commonly agreed upon measures to allow for the comparison of teaching and research programs. The overwhelming variety in size and purpose of institutions makes the prospect of comparing colleges a daunting one for students, parents, and the colleges themselves.

     For many years, various bodies have undertaken statistical and reputational rankings of colleges and attempted to provide information to prospective students. Increasingly, the importance and validity of college rankings is a hotly debated issue. Many universities, including highly ranked ones, are beginning to question both the data and methods used by some ranking services. Of special concern are the aspects of the rankings which deal with the difficult to measure concept of institutional reputation.

     We studies American universities and referred to rankings given by many bodies and concluded all ranking as below.