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Some schools may also require you to take one or more GRE Subject Tests. The purpose of each GRE examination, of course, is to help graduate schools decide if you've got the right stuff for their program. If you're looking for help with the exam, check out Peterson's full-length GRE practice test.
Graduate Programs without GRE. In the United States, the Graduate Record Examination (GRE) is a standardized test that is used to gauge the academic abilities of students looking to apply to graduate programs. Although a popular piece of the US graduate admissions process, the GRE is not always necessary when applying for graduate programs.