Kaplan provides a number of options for individuals seeking to prepare for the GRE. The most inexpensive option is to purchase its study guide book and other supplementary materials. You can also purchase three video tutorials for $450 in Kaplan's GRE On Demand course. The GRE Classroom Anywhere program starts at $699 and allows you to interact with tutors via an online classroom. Finally, the GRE Classroom On Site package starts at $1,199 and gives you one-on-one access to an instructor at a physical location.
The Princeton Review publishes a number of study guides and supplementary materials that are available at most bookstores. Another option is to enroll in an online GRE preparatory course. The GRE Strategy Essentials Live Online package includes 12 hours of coaching with a tutor and hundreds of practice problems. GRE Live Online gives you access to eight real-time sessions with an instructor, while the GRE Online Private Tutoring package provides you with real-time, one-on-one sessions with a tutor. The Princeton Review also offers small group instruction and tutoring at certain onsite locations.
Barron's provides a number of study guides and supplementary materials that help individuals prepare for the GRE. Although no classroom or individual tutelage is available, many students have had great success with its materials. Barron's GRE books can be purchased at almost any bookstore. If you choose a comprehensive study guide book, you'll also receive a CD with practice tests. If you need help with one particular aspect of the GRE, Barron's also produce books that focus exclusively on either the verbal or math sections. You may also choose to purchase Barron's vocabulary flashcards.
ETS, the company that produces the GRE, provides all individuals who register for the exam several free paper-based practice tests. You can also request Powerprep software, a free program that has two adaptive exams, or purchase one of several study guides. Regardless of the preparatory course you choose, the free practice tests provided by ETS are actual exams used in the past, so they're a pretty accurate predictor of your score.