Mindful TEL: Learning Technologies Shaped with Intention: 21st European Conference on Technology Enhanced Learning, EC-TEL 2026, Valencia, Spain, September 1418, Proceedings, Part I: 16905

mso-fareast-font-family: 'Times New Roman';">The 104 papers (45 Research track, 3 Practitioner and Industry track, and 43 posters, 13 demos) presented in these two volumes were carefully reviewed and selected from 295 submissions, of which 194 were from the Research track, 13 from the Practitioner and Industry track, 64 posters, and 24 demos. The EC-TEL 2026 proceedings reflect a dynamic and interdisciplinary field, bridging pedagogy, educational psychology, and digital technology. The 104 papers (45 Research track, 3 Practitioner and Industry track, and 43 posters, 13 demos) presented in these two volumes were carefully reviewed and selected from 295 submissions, of which 194 were from the Research track, 13 from the Practitioner and Industry track, 64 posters, and 24 demos. The proceedings are organized in two parts, including the following topical sections: Part I: Research Track; Industry and Practitioner; and Part II: Poster; Demo.