SAT stands for Scholastic Assessment Test, which is a high school academic ability assessment test administered by the College Board of the United States. The test score is one of the important bases for students from the United States and other countries to apply for admission to American universities and scholarships . In addition to American universities, famous universities in other countries also refer to SAT.

The SAT exam is divided into two categories: SAT I and SAT II. SAT I scores are the unified requirements of all American universities, with a full score of 1600. SAT II requires students to choose their target university.

SAT I, also known as Reasoning Test , mainly tests Reading, Writing & Langauge, and Mathematics, and Writing is an optional test. The test lasts 3 hours and 50 minutes, and the specific time distribution for each subject is as follows:

1. Reading: 65 minutes;

2. Writing and Language: 35 minutes;

3. Mathematics: 80 minutes;

4. Writing: 50 minutes.

SATII is a subject test that focuses on assessing students' knowledge and application ability in specific subjects. The subjects include literature, mathematics, physics, chemistry, biology, etc. A total of 22 subjects. Students can take 3 subjects at a time.