Duke 大学对学生身份的认定：We categorize all applications from students attending schools outside the United States as international, even those from students who are US citizens. We categorize all applications from students who are not US citizens or US Lawful Permanent Residents as international, even those from students who are attending schools in the US.
Harvard 的定义： We have no quotas of any kind for admission, all applications are evaluated by the same criteria, and financial aid is equally available to all students regardless of citizenship.
Johns Hopkins的认定：At Johns Hopkins University an international student is, regardless of where you live or go to school, based on your citizenship. You must either hold a U.S. Passport or Green Card to be considered domestic.
