The document discusses the Chinese college entrance exam: - It is a standardized test that determines if students can go to college, with admission based almost entirely on exam scores. - The exam is much longer than the SAT, taking 18 hours total to complete over 2 weeks. Scores take up to 2 weeks to grade and there are no retakes allowed. - Chinese students prepare for the exam their entire high school careers and beyond, as passing is critical for college admission.