“Is it valid that if a college has a high percentage of top 10% of HS class students, then the learning environment will be heightened because you basically have a pool of like minded studious students.”
It may be heightened, but it may also be a hyper-competitive environment that will stress out even the brightest students. I remember ready one of Malcom Gladwell’s books (David and Goliath I think) where he told the story of a woman that was in the top of her HS class, went to Brown, and ended up abandoning her dreams of pursuing a career in the science due to the intense competition from her peers.