This study employed the integrated threat theory to examine Serbian adolescents' attitudes towards the Roma. The sample consisted of 687 secondary school students (mean age 17), of whom 53% were females. In a survey-based study, we assessed adolescents' national in-group attitudes (i.e., nationalism), their feelings toward the Roma, and their perception of economic and symbolic threat. Findings suggest that perceived threat to either real resources or worldviews of the dominant group was related to more negative attitudes towards the Roma minority. Further, Romaphobia was positively related to adolescents' nationalism and this relationship was partially mediated by perceived economic and symbolic threat. The theoretical and educational implications are discussed.