...However, in light of the fact that SAT score is the one that will decide whether student will go to M.I.T. or Harvard or not, it is best to prepare juniors in high school to study for the SAT instead. PSAT is just an "indicator" test that can call out weaknesses and strengths of the student. If you are a junior in high school, waste no-time in starting to prepare for the SAT instead. (read more)