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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.
This is a popular reason why people go to grad school. However, it should not be the only reason, since getting a grad degree is a very serious commitment. 2. Advance your career. A grad degree can open up a wider array of career opportunities: in psychology, social work, healthcare, for example.