Junior Colleges are quite popular with international students because they are less expensive and offer attractive option for the first two years of undergraduate study. However all such colleges are not authorized to issue Form I-20, required to apply for student visa. They do not have graduate programs. The also do not offer graduate programs. However for seeking admission in undergraduate program in such institutions a student must have at least two-years of previous college education.
Universities offer a wide range of choice in programs as well as subjects.
Large Universities like, Harvard and Princeton, are composed of several colleges. Depending upon his interest, a student can choose the college. Each college has the flexibility to set its own standard for admission. Another important aspect to note in case of these institutes is that they can be both private as well as public. Though most of the institutions receive financial support from the federal and state governments, public institutes rely heavily on public funds.