There is something similar to IB Grade Boundary in the SAT. Reading Number of mistakes for a score of 370: 6: 5 mistakes 7: 5 mistakes 8: 3 mistakes 9: 4 mistakes 10: 2 mistakes Roughly around 3 to 4 mistakes. Writing Number of mistakes for a score of 380: 6: 3 mistakes 7: 1 mistake 8: 2 mistakes 9: 2 mistakes 10: 1 mistake Roughly around 2 mistakes. Math Number of mistakes for a perfect score of 800: 6: 0 mistakes 7: 0 mistakes 8: 2 mistakes 9: 1 mistake 10: 0 mistakes Aim for no mistakes in this section.