The Summer University had several summer courses in cooperation with other academic and professional institutions, and is seeking further co-sponsoring partners in an effort to sustain and further develop the program mission.
- - a listing of international summer schools
- Summer Schools in Europe web portal
- Santa Fe Institute, U.S.
- Benjamin N. Cardozo School of Law, New York
- Hamline University School of Law, Minnesota
- World Bank Institute, Washington
- PHARE Office, Hungary
- Local Government and Public Service Reform Initiative of the Open Society Institute, Budapest
- New York University School of Law
- University of California at Santa Cruz
- Kulturwissenschaftliches Institut, Essen
- Council of Europe, "Mosaic Project"
- World Learning
- Committee for Centers and Regional Associations (CARA) of the Medieval Academy of America
- Regional Environmental Center (REC) for Central and Eastern Europe
- European Consortium for Political Research (ECPR)
- Overseas Development Institute (UK)
- Tiri - A Pro-Integrity Policy Network
- United States Agency for International Development (USAID)
- Energy Regulators Regional Association (ERRA)
- International Association for the Promotion of Co-operation with Scientists from the New Independent States (NIS) of the Former Soviet Union (INTAS)
- Global Public Service Law Project at New York University School of Law
- Columbia Law School Public Interest Law Initiative (PILI)
- United Nations Development Programme (UNDP)

Web pages which refer to SUN web site