Being so far from family just made me more self-reliant and resourceful. Example, my roommate would take a car load of laundry home every month because he didn't know how to wash his clothes and could not be bothered to figure it out.
While being self reliant prepared me for life it did not help with the studies. It took me a few years and a few failed courses before I really learned how to study. Not at the grade school level but at the university level. But that was not because of the distance to the school. Being first in my family I had no one to lean on. Now my siblings are doing much better because I was the first, took all the arrows to the chest and mentored them over the stumbling blocks I encountered when transitioning to university.
Certainly, in my case, I'm very glad that I chose to move away after college, rather than before. I had a hard time in university, and the extra support I got from my parents was crucial in getting me out with a diploma. I would not have had that support if I'd moved to California or New York for my computer science degree.