Political Science WashU, why so high?

College Majors Humanities Majors
1

http://college.usatoday.com/2014/08/26/the-top-10-best-colleges-for-a-major-in-political-science/

http://www.collegefactual.com/majors/social-sciences/political-science-and-government/rankings/top-ranked/#abs1

Considering a Majoring in PoliSci here, but just confused as to why it shows up #1 ahead of every Ivy. Is this a gross inflation or is there some type of statistic I’m just not seeing?