People that uproot their entire lives and move to a new country is a very high filter, so it's no surprise that those same people and their children tend to be

People that uproot their entire lives and move to a new country is a very high filter, so it's no surprise that those same people and their children tend to be more successful overall. Things aren't as rosy when including non-immigrants. Your mindset/culture/behavior suggestion isn't backed up by a study, however, family wealth is https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5993612/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5993612/ "family wealth may have become even more important to support direct investments in educational opportunity—in the form of good neighborhoods, secondary schools, and colleges" One need not inherit anything from their parents to reap the benefits of family wealth.