Collective efficacy, defined as informal social controls that operate under social norms of trust, is an emerging theoretical concept that has been applied to explain violence rates in neighborhoods, affiliation with deviant peers, partner violence, and adolescent delinquency. This study employed a multilevel design to examine the association…

Black children generally receive poorer sociometric nominations compared with Whites. This effect is not fully understood because Black children rarely hold a classroom majority and teachers' race is rarely investigated. Research from a person-environment perspective suggests that the effects of children's race depend on the racial composition of…