The U.S. Department of State issues visas in U.S. embassies and consulates abroad.
A visa does not guarantee entry into the United States.
A visa does allow a foreign citizen to travel to a U.S. port-of-entry and request permission from a U.S. immigration officer to enter the United States.
Did you know the U.S. Department of State issued 781,719 student and exchange visitor visas in fiscal year 2011? This translates to a worldwide acceptance rate of almost 86%. You will first need to receive an admission letter a certificate of eligibility for nonimmigrant student status from your U.S. institution before you can begin the visa application.
EdUSA Connects Session – International Students Demystify the Visa Process