Bradley's international research interests and publications include student culture and identity formation at the secondary level, in Mexico; multicultural civic and citizenship education for democracy and social justice, especially in Latin America; the sociocultural practice of policy formation and implementation; critical social theories in education; transnational migration and education; and ethnographic research methods. His current interests and projects include the study of secondary education reform in Mexico and Latin America; and translation of recent critical educational research in Latin America from Spanish to English.