The SAT (Scholastic Aptitude Test) is a standardized test widely used for college admissions in the United States. It is designed to assess a student's readiness for college and measures their knowledge in the areas of reading, writing, and mathematics. The test is developed and administered by the College Board.

The SAT is used as a standardized measure to assess a student's college readiness and their potential for academic success in college. It is a standardized test, meaning that all students take the same test under the same conditions, making it an objective and fair way to compare the abilities of students from different schools and backgrounds. Many colleges and universities use SAT scores as one factor in their admission process to help evaluate a student's academic potential. Additionally, some colleges may also use SAT scores to determine scholarships, course placement, and other educational opportunities. The SAT is designed to test the skills and knowledge that students have acquired in high school and provide a common measure for colleges to use in the admission process.