What is the GRE?
The GRE (Graduate Record Exam) is used by many U.S. universities to assess graduate applicants. For more information visit the official GRE site.

Who has to take the GRE?
If you are interested in taking a graduate degree (other than an MBA) in the U.S. it is likely that this exam will be required but you ought to check with the department you want to study with to make sure whether you need to take it. Not all universities/departments require it. There are a number of universities outside the U.S. which also require the GRE. Check with the appropriate department/university.

For how long is the GRE valid?
The GRE is valid for 5 years.

What's the difference between a general GRE and a subject one? and which is preferable?
The General GRE tests your math and English skills. The subject one will deal with your particular field. If the university you are applying to requires the GRE then they will want you to take the general test and but may also require the subject GRE. You should contact the university to ask them what they require.

Do you need to take the GRE?
What does the GRE test?
How does one register to take the GRE exam?
How is the GRE scored?
General tips for the GRE
The Verbal Section
The Quantitative Section
The Analytical Section
How Can You Prepare For The GRE?
GRE - Frequently Asked Questions

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