ACT Assessment
This site details the ACT, which is designed to assess high school students' general educational development and their ability to complete college-level work.

College Board
Provides information on test sponsored by the College Board including the SAT (Scholastic Aptitude Test), PSAT/NMSQT (Preliminary SAT/National Merit Scholarship Qualifying Test), AP (Advanced Placement Program), and CLEP (College Level Examination Program).

Graduate Record Examinations (GRE)
Helps to prepare you for taking the GRE.

Law School Admission Council
A nonprofit corporation whose members are 202 law schools in the United States and Canada . Administers the Law School Admission Test (LSAT).

LibrarySpot: Where to Prepare for the Big Test
Offers an overview of test preparation and links to further resources.

Number2.com
Provides free practice tests for the ACT, SAT, GRE, and vocabulary builder.

PBS's Secrets of the SAT
This report draws on the work of Nicholas Lemann and his five-year study of the SAT— The Big Test: