SAT score is crucial even in deciding whether you deserve scholarship or not. Many merit scholarships are given based on the performance of students in the SAT
The SAT measures the skills you have learned in and outside your classroom during school days and measures how well you can apply that knowledge in undergrad courses. The test consists of three sections.
Critical reading: this includes sentence completion and passage-based reading questions.
Mathematics: this includes multiple choice and student-produced response questions based on math those college-bound students typically learn during the first three years of high school.
Writing: this has multiple choice questions and a written essay.
The final SAT score is an aggregate of three scores ranging between 200 and 800. The three scores are writing score, math scores, and critical reading score. Thus, the perfect scores are 2400 while minimum possible score 600 (which is practically considered zero).
The total test runs for 3 hours 45 minutes testing time and three breaks of five minutes each. Thus, the total test time is 4 hours including the time allotted for breaks.
Yes, for each correct response, you get a credit of one mark. For each incorrect option, ¼ of a mark is deducted. However, no negative scoring is affected if you leave a question without answering.