The term COLL. ENTRANCE EXAM refers to the standardized tests that are required for admission to most colleges and universities in the United States. These tests include the ACT, SAT, and PSAT. The ACT is a four-hour exam that tests students on English, math, reading, and science. The SAT is a three-hour exam that tests students on reading, writing, and math. The PSAT is a two-hour exam that tests students on reading, writing, and math. All of these tests are designed to measure a student's academic readiness for college.