First of all, great that you have the will to want to pass the GRE. You can get GRE test prep courses in Barron's online GRE Prep Courses. Here is the link, http://barronstestprep.com/GRE/?gclid=CP2Aiqua264CFQ8b6wodLDpWXA

Some GRE prep options include private tutoring, this is where you get one-on-one instruction. Another Option is Small group instruction. This is where you and a few others prepare for your GRE. There are also GRE classes in a school, GRE online courses, and GRE books. These are all good methods to help you prepare for your GRE Source: www.princetonreview.com/grad/gre-test-preparation.aspx

GRE iers Graduate Record Examination, there are various sites that offer the mock GRE practise test papers. I when I was preparing for my GRE I browesed many such sites and found this one www.examville.com the best.

All the best

Hey, check out www.examville.com I found the site very helpful for GRE exam practice.

You should start to prepare the GRE as soon as you are planning to get into graduate school, at least in your junior year, starting from GRE vocabulary as it will take sometime to learn all the GRE words normally from several months to one year.