Bilingual school psychology is a specialized domain within the field of school psychology dedicated to the research, theory, and practice concerning the psychological, educational, and social-emotional development and needs of bilingual and multilingual students, their families, and the educational systems serving them. It investigates the interplay of language proficiency, cultural background, and cognitive development in educational contexts, focusing on developing culturally and linguistically responsive assessment, intervention, consultation, and prevention strategies to ensure equitable and effective services for linguistically diverse populations.