This article explores notions of belonging and citizenship for "American Mexican" students--Mexican-heritage youth born in the United States who return to Mexico with their families. Our findings reveal belonging as a sociocultural practice that participants negotiated spatially and relationally, chiefly by making their US-born status more and less visible within particular spaces at school. The experiences of American-Mexican youth reveal the crucial roles of migration and belonging in shaping civic identities and future potentials in a transnational world