The ACT (/e? si? ti?/ ay-see-tee; originally an abbreviation of American College Testing) college readiness assessment is a standardized test for high school achievement and college admissions in the United States produced by ACT, Inc. It was first administered in November 1959 by Everett Franklin Lindquist as a competitor to the College Board's Scholastic Aptitude Test, now the SAT. The ACT originally consisted of four tests: English, Mathematics, Social Studies, and Natural Sciences.