what is the purpose of the act and sat
SAT There are substantial differences in funding, curricula, grading, and difficulty among U.S. secondary schools due to U.S. federalism, local control, and the prevalence of private, distance, and home schooled students. SAT (and ACT) scores are intended to supplement the secondary school record and help admission officers put local data—such as course work, grades, and class rank—in a national perspective.[15] However, independent research has shown that high school GPA is better than the SAT at predicting college grades regardless of high school type or quality.[16]