The SAT consists of Reading, Writing and Language, and Math sections, with an optional Essay. It tests comprehension, analysis, grammar, and problem-solving skills across various disciplines. The test takes 3 hours (3 hours 50 minutes with Essay) and scores range from 400-1600. Success strategies include familiarizing yourself with the format, developing a study plan, and practicing time management. Key tips involve active reading, reviewing grammar rules, memorizing math formulas, and cultivating a positive mindset. Regular practice and targeted improvement are essential for mastering the SAT.