What Are Some Reputable Colleges for Earning a Ph.D?

Some of the most reputable colleges offering Ph.D. programs are Harvard University, Stanford University, Arizona State University and New York University. Harvard and Stanford were among the colleges ranked as the best in the United States by U.S. News and World Reports. Harvard is especially renowned for its business, education and pre-law programs.

Some specific highlights of Harvard's Ph.D. programs are Political Economy and Government and J.D./Ph.D. joint degrees in Economics, History, Government, Philosophy and Health.

Stanford University in California is particularly reputable for its School of Medicine. Ph.D. programs include Medicine, Biology and dual-degree options including the Ph.D./M.S. and M.D./Ph.D. programs. Students can opt to combine medical Ph.D. programs with studies of Earth Sciences, Humanities, Public Policy and Law or Business.

Some highlights of New York University's programs are its emphasis on global learning placements. The institution has campuses and academic centers on most continents, including Asia, Africa and South America.

A number of colleges also offer online Ph.D. programs. Among the best options, according to OEDb, are the University of North Carolina at Chapel Hill, which offers three online Ph.D. programs and has a graduation rate of 89 percent, and the University of Minnesota-Twin Cities, which offers one Ph.D. program and has a graduation rate of 70 percent.