Go to a school that’s a good fit for you and that’s affordable. If you’re happy and well-supported, you’re more likely to do well and get good grades, thereby increasing your chance of medical school admission.
A good friend of mine graduated from the University of Iowa with a degree in biology. He ended up at Harvard Medical School and he believes part of the reason was due to geographic diversity as he was 1 of 2 medical students from Iowa that year.