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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.
Whether you are considering graduate school or business school, or still deciding what to do, you only need to take the one test accepted by thousands of graduate and business schools worldwide, the GRE General Test.