This document provides information about standardized tests used for college admissions in the United States. It discusses the PSAT, ACT, SAT, SAT Subject Tests, and Colorado Commission on Higher Education index scores. The PSAT is taken in sophomore and junior year to help qualify for scholarships. The ACT and SAT are both standardized tests that assess readiness for college. The ACT has sections in English, reading, math, science, and an optional writing test. The SAT tests math, writing and reading abilities over 3 hours and 45 minutes. SAT Subject Tests focus on individual subjects.