You go to the best college you can get into, wherever it is, and then to the best job you can get, wherever that is. Our city was okay, but our school system and community values were not calibrated to produce contentment with mediocrity.
You might pass on opportunities for social stability reasons in middle age, but as a 22-year-old you jump without hesitation.
People sometimes migrate back when their own kids are school-aged.
Because people are attached to their family and friends and also most don't realize that any able body person with an IQ of 100 and a decent work ethic could easily make six digits if they relocated to the right area.
Where could any randomly selected person from the upper 50% of the population by IQ move and earn >$100,000? Even with your caveats, though at that pay I do wonder why “able bodied” is important.