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1.
The 5 most prestigious universities in the United States:

Harvard University
Yale University
Princeton University
Stanford University
Massachusetts Institute of Technology
Admissions to HYPSM is extremely competitive.
by dedicated scholar November 15, 2011
 
2.
Harvard, Yale, Princeton, Stanford, MIT
i.e. Prestigious American universities.
I know this really smart guy. He got into HYPSM
by PedroFile April 12, 2009
 
3.
This stands for Harvard, Yale, Princeton, Stanford, MIT.
There are plenty of Asians at HYPSM and their peer institutions.
by 1XxXLuther BlissettXxX1 April 27, 2009