Eider Saragueta is a teacher and a researcher at the UPV/EHU University of the Basque Country, at the Faculty of Education, Philosophy and Anthropology, at the Department of Education Sciences. She has participated in several international conferences on multilingualism in education and has published her work in national and international journals. She holds a Teaching Degree, a BA in Social and Cultural Anthropology, and an MA in the European Master on Multilingualism and Education (EMME) from the Euskal Herriko Unibertsitatea (UPV/EHU). In 2019, she completed her doctorate degree entitled “Translanguaging hezkuntza-eleaniztunean. Ikerketa etnografiko bat” (Translanguaging in multilingual education. An ethnographical study) and supervised by Jasone Cenoz. Her main lines of research are: the use of the Basque language of primary students, the identity and the analysis of translanguaging inside the classroom from the point of view of classroom ethnography.