SAT (Scholastic Aptitude Test):
The letters SAT originally stood for the Scholastic Aptitude Test. It was supposed to be an exam for which students could not study, and it would provide colleges with a useful tool for measuring and comparing the potential of students from different schools and backgrounds. The College Board changed the name of the exam to the Scholastic Assessment Test, and later to the SAT Reasoning Test. It measures the critical thinking skills of students. It is a general test of verbal and quantitative reasoning required for admission for undergraduate programs of most universities.
Read more:
https://collegereadiness.collegeboard.org/sat?excmpid=CBF2-ST-1-satregform