I took tests in the 1600 era. I came from one of the best public high schools in California. I would say 80%+ of the high school had SAT prep, every single one

I took tests in the 1600 era. I came from one of the best public high schools in California. I would say 80%+ of the high school had SAT prep, every single one of the people I talked to at school had SAT prep. If you're not including self study, then maybe? But with prep and self study, everyone I knew was able to get at least a 100 point increase, I think I got a 300 point increase. Basically aced the math section through practice and study (missed 1 question).