A state-by-state Breakdown of college graduation rates from the National Student Clearinghouse

http://chronicle.com/article/State-by-State-Breakdown-of/145379/?cid=at&utm_source=at&utm_medium=en

http://www.peterlang.com/index.cfm?event=cmp.ccc.seitenstruktur.detailseiten&seitentyp=produkt&pk=77271&cid=5&concordeid=312466