This book constitutes extended papers from the 4th International Conference on Technology in Education, ICTE 2019, held in Guangzhou, China, in March 2019. The 27 full papers presented in this volume were carefully reviewed and selected from 109 submissions. They are organized in topical sections on blended bearning and computer-supported learning; virtual reality, augmented reality and game-based learning; open online courses and open educational resources; teaching and learning analysis and assessment; pedagogical, psychological and cultural issues.