CollegeBoard.com - Hosted by the organization that sponsors the SAT. On the site, you'll find the "SAT Question of the Day," as well as a "Skill Builders" section to help fine-tune your math and verbal skills. There are also sample questions from past tests along with an explanation of the correct answers to each question.
Vocabulary.com - Vocabulary is extremely important in SAT exams, and you can brush up on your skills on this site. It houses 5,000 words (each with a brief definition) that you might encounter on an SAT.
Workman.com - A book packed full of SAT test-taking advice.
Number2.com - More definitions and SAT test-taking advice.
GoMath.com - Free math help using simple animation to bring problems and solutions to life.
MathForum.org - This well-organized site provides an "Ask Dr. Math" area with answers to hundreds of math-related questions.
SATcaliber.com - Horizon Software has a complete online SAT practice exam that includes hints and reference tools.
Princeton Review - Offers a free version of the 30-question diagnostic test that it has on its CD-ROM. You have to register, but there is no cost or obligation.
Discovery Education - Another extremely useful resource is Kathy Schrock's Guide for Educators, which has a "homework helper" section with links to all sorts of educational resources.
