* Kaplan: A large, well-established company offering prep for a wide range of tests, including the SAT, ACT, GMAT, GRE, LSAT, and MCAT. They offer various course formats (in-person, online, self-paced).
* The Princeton Review: Another major player with a long history and a broad range of test prep offerings. They're known for their unique teaching strategies and often have strong materials.
* Khan Academy: While not solely a test prep organization, Khan Academy provides free and excellent test prep resources, particularly for the SAT and ACT. Its comprehensive and accessible materials make it a very reputable option, especially for budget-conscious students.
* Magoosh: A strong online option, particularly for standardized tests like the GRE, GMAT, and TOEFL. They are known for their adaptive learning platforms and detailed video lessons.
* Powerscore: Highly regarded for their LSAT and GMAT prep courses. They are known for their detailed explanations and strategic approaches to the tests.
When choosing, consider:
* Your specific test: Some organizations excel in specific areas.
* Your learning style: Do you prefer in-person classes, online courses, or self-study materials?
* Your budget: Prices vary significantly.
* Reviews: Check online reviews from past students.
It's always a good idea to check recent reviews and compare offerings before making a decision. Don't hesitate to try free trial materials or sample lessons from different organizations to see which approach suits you best.