Mexican districts with highest European admixture score top on PISA and Progressive Matrices. Lowest European districts bottom on all PISA tests. Hereditarian genetic IQ matches observed PISA scores closely in Mexico. Colombian districts with most European ancestry lead SABER scores by 2.46 SD. Bogota's high European admixture makes it top outlier. Brazilian regions' PISA scores track European admixture predictions. Latin American countries' IQ correlates 0.41 with European admixture despite economic noise. Lighter-skinned US blacks score higher on GSS picture vocabulary test. NLSY 1997 shows same skin color gradient for PVT scores. National IQ correlates -0.90 with skin darkness, beating GDP correlation. More African ancestry lowers SES in 13/14 studies. More European ancestry raises SES in 11/13 studies. Native American ancestry lowers success in 13/15 Hispanic studies. Most historical Shuey studies show lighter blacks outscore darker blacks on IQ tests. Totality of admixture data supports hereditarian race-IQ explanation.