1、Harvard, Kennedy School of Government (HKS)

Program Size: 568

Program Cost: $43,212/year

Star Professors: Joseph S. Nye, Richard Clarke, Stephen M. Walt

The highly selective master of public policy program at Harvard's Kennedy School of Government includes an option for a concentration in international and global affairs, geared specifically toward students seeking to join the ranks of international policy wonks. The all-star faculty list includes multiple former presidential advisors.

Website: http://www.hks.harvard.edu

2、Georgetown University, Walsh School of Foreign Service (SFS)

Program size: 500-600

Program cost: $41,056/year

Star professors: Madeleine Albright, Daniel Byman, Victor Cha, Charles Hagel, Paul Pillar

Georgetown offers a variety of master's programs within the IR field, including an M.S. in foreign service and a program in security studies. The extremely selective School of Foreign Service offers a two-year program in which course work is supplemented by mentorship from IR professionals; notables in the past have included former Secretary of State Madeleine Albright and former USAID Director Andrew Natsios (a Georgetown alum).

Website: http://sfs.georgetown.edu/

3、Princeton University, Woodrow Wilson School of Public and International Affairs (WWS)

Program size: 165
Program cost: $38,620
Star professors: John Ikenberry, Robert Keohane, Anne-Marie Slaughter

The Woodrow Wilson School of Public and International Affairs offers not only offers a top-notch program, it also prides itself on generous fellowship funding to help students offset costs. Students also benefit from its many affiliated programs. For example, the World Politics journal is published by the Princeton Institute for International and Regional Studies.

Website: http://wws.princeton.edu

4、Johns Hopkins University, School of Advanced International Studies (SAIS)

Program size: 600
Program cost: $36,962/ year
Star professors: Zbigniew Brzezinski, David Lampton, Michael Mandelbaum

Johns Hopkins offers an M.A. from the Paul H. Nitze School of Advanced International Studies, an interdisciplinary program that allows students to concentrate on a particular area of the field, such as international development, or a particular geographic region, such as African Studies. The two-year program also emphasizes language skills, offering courses in 16 languages.

Website: http://www.sais-jhu.edu

5、Columbia University, School of International and Public Affairs (SIPA)

Program size: 900
Program cost: $41,472
Star professors: Jagdish Bhagwati, Jeffrey Sachs, Joseph Stiglitz

Columbia's School of International and Public Affairs (SIPA) offers a master's of international affairs that stresses real-world application, including proficiency in a foreign language, a robust internship program, and workshops that present real assignments for students working for different organizations. The international fellows program, open to all graduate-degree programs at Columbia, provides a unique opportunity for students to "examine the origins of the current international order" during a two-semester seminar that includes discussion groups and trips to the United Nations and Washington, D.C.

6、George Washington University, Elliot School of International Affairs (Elliott)

Program size: 640-700
Program cost: $26,530
Star professors: Martha Finnemore, Karl F. Inderfurth, Marc Lynch

The Elliot School of International Affairs offers a variety of MA degrees, including a masters of international policy and practice degree for professionals looking to increase their marketable skills. The school also partners with the London School of Economics and Political Science (#9) to provide a master of international studies degree to students of both institutions.

Website: http://elliott.gwu.edu

7、Tufts University, The Fletcher School of Law and Diplomacy (Fletcher)

Program size: 279

Program cost: $37,344

Star professors: Stephen Bosworth, Daniel W. Drezner, Leila Fawaz, Alex de Waal

Tufts' Fletcher School offers a variety of programs spanning the school's three major divisions: International Law and Organizations; Diplomacy, History, and Politics; and Economics and International Business. The programs range from 1-2 years and can be supplemented through joint partnerships with Harvard Law School, among others.

Website: http://fletcher.tufts.edu/

8、London School of Economics and Political Science, Political Science's IR department (LSE)

Program size: 461

Program cost: $27, 256

Star professors: Jeffrey Chwieroth, Katerina Delacoura, Christopher Hughes

One of the oldest international-relations departments in the world (as well as one of the largest), the London School of Economics and Political Science's IR department provides a number of master's programs, most based in London. The school also runs a joint program for a master of international studies degree with George Washington University in Washington, D.C.

Website: http://www2.lse.ac.uk

9、University of Chicago, The Committee on International Relations (CIR)

Program size: 120
Program cost: $44,568
Star professors: John Mearsheimer, Robert Pape

The oldest IR graduate program in the United States, the Committee on International Relations focuses on the more intellectual side of international affairs. Programs are capped by a rigorous M.A. thesis, and courses are focused on producing "intellectual leaders" in the field.

Website: http://political-science.uchicago.edu

10、American University, School of International Service (SIS)

Program size: 800+
Program cost: $25,764
Star professors: Amitav Acharya, Phillip Brenner, James Goldgeier

AU's School of International Service provides a dedicated international peace and conflict resolution program, which began after students requested more conflict-resolution classes in the 1980s. It's a fitting move from a school that declared its mission was to prepare students to "wage peace" globally upon its founding in 1957.

Website: http://www.american.edu/sis