Few people are excited by the prospect of taking a standardized test like the GRE® test, the GMAT™ exam, the MCAT® exam or the LSAT®, but for most grad school programs it is necessary. Although the prospect of taking one of these tests may seem unnerving, the best advice is to prepare, prepare and then prepare some more. There are multiple test prep sites and study guides to help you succeed. Below is an overview of each test and the industries that require them.