The studies reported in this book aspire to shed light into learners and educators experiences and perceptions. Various methods of pedagogical diagnostics allow us to replenish and concretize knowledge, carry out a deep and detailed analysis of situations that arise in professional activity. Improving the professional activity of a teacher has a significant impact on the effectiveness of the educational process, including the quality of the educational activity of students. Authors examine the difficulties perceived by students and teachers in online learning, distance education, struggles of learning and many other topics. Therefore, this book aims to investigate the kinds of challenges encountered by the learners and educators and how they actually cope with arising issues in each sphere of conduct.