This study investigates whether the quantity and quality of contact with migrants and perceiving that cultural diversity is accepted at school (as a dimension of the perceived school climate) are associated with perpetrating bullying toward migrant classmates. Quantity and quality of contact are also examined as moderators of the association between perceived cultural acceptance at school and bullying toward migrant students. One hundred and sixty-six adolescents (M[subscript age] = 16.26; SD = 1.53) belonging to the societal majority group answered a battery of self-report measures. Bullying migrant peers was associated with more negative quality of the contact. Bullying migrants was also associated with lower perceived acceptance of cultural diversity at school for the adolescents reporting higher levels of contact with migrants at school. The role of contact in explaining bullying toward migrant peers is also discussed in light of possible interventions.