The book presents the proceedings of the 15th DIVAI (Distance Learning in Applied Informatics) Conference, an international scientific event that focuses on the field of distance learning in applied informatics. The 15th edition of the conference took place from September 30 to October 2, 2024. The conference is held under the patronage of the Dean of the Faculty of Natural Sciences and Informatics, Constantine the Philosopher University in Nitra. The proceedings are relevant to researchers, academics, professionals, and students in distance learning and applied informatics. Presents the proceedings of the 15th DIVAI Conference (Distance Learning in Applied Informatics); Focuses on blended and collaborative learning, modeling of educational activities, and adaptive e-learning; Relevant to researchers, academics, professionals, and students in distance learning and applied informatics.