This dataset contains the responses collected as part of the research project "Educación para la Justicia Global (Global Justice Education)", funded by the Institut de Recerca en Educació de la Universitat de Barcelona (IRE-UB). The dataset comprises a total of 981 valid responses from in-service teachers working across Early Childhood Education, Primary Education, Secondary Education, Vocational Education and Training (VET), and other non-university educational settings. Participants were recruited from public, private, and publicly funded private (concertada) schools and educational institutions across Spain. The sample reflects a diverse range of professional profiles, school types, and educational stages, offering a broad picture of teachers' perspectives on global justice education in the Spanish educational context.