SATThe SAT is a standardized test widely used for college admissions in the United States. Introduced in 1926, its name and scoring have changed several times; originally called the Scholastic Aptitude Test,  it was later called the Scholastic Assessment Test, then the SAT I: Reasoning Test, then the SAT Reasoning Test, and now, simply the SAT.
Knowledge / skills tested: Writing, critical reading, mathematics
Offered:  Seven times annually
Score / grade range: 200–800 (in 10-point increments) on each of two sections (total 400–1600). Essay scored on scale of 2–8, in 1-point increments.
Scores / grades used by: Most universities and colleges offering undergraduate programs in the U.S.