All my textbooks and test papers throughout high school. I am 163cm (5ft 4) tall, for

for that perfect SAT score, that's slowly becoming worthless, just like those top notch AP Scores, that are also slowly becoming worthless.

I needed just 3 of those (if SAT subject test textbooks all came in one then I’d need only that) and I got a pretty decent score of 2070 so I don’t think that many are necessary per se, especially given the amount of resources found online