AUTHOR=Ortega-Sánchez Delfín , Sanz de la Cal Esther , Ibáñez Quintana Jaime , Encabo-Fernández Eduardo TITLE=Editorial: Teaching controversial issues in secondary education JOURNAL=Frontiers in Education VOLUME=Volume 10 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/education/articles/10.3389/feduc.2025.1574469 DOI=10.3389/feduc.2025.1574469 ISSN=2504-284X