Intelligence strongly correlated with education (~0.5), and adult intelligence is mostly determined by genetics. https://academic.oup.com/ije/article/39/5/1362

Intelligence strongly correlated with education (~0.5), and adult intelligence is mostly determined by genetics. https://academic.oup.com/ije/article/39/5/1362/802787 https://academic.oup.com/ije/article/39/5/1362/802787 The correlation between intelligence and income also substantial, but seemingly not quite as strong. The correlation between intelligence and wealth is weaker still. https://www.bcaresearch.com/images/Peter_PPT_presentation%206.pdf https://www.bcaresearch.com/images/Peter_PPT_presentation%20... https://www.sciencedirect.com/science/article/abs/pii/S0160289607000219 https://www.sciencedirect.com/science/article/abs/pii/S01602...