The multi-decade growth and spatial dispersion of immigrant families in the United States has shifted the composition of US schools, reshaping the group of peers with whom students age through adolescence. US-born students are more likely to have foreign-born peers and foreign-born students are more likely to be educated outside of enclaves. This…

There has been significant interest in examining the developmental factors that predispose individuals to chronic criminal offending. This body of research has identified some social-environmental risk factors as potentially important. At the same time, the research producing these results has generally failed to employ genetically sensitive…