This study investigates the successful practices of principals in primary and lower secondary schools regarding the integration of technology for a quality school of the 21st century, in the school institutions of the municipality of Prizren. This research study examines and describes the correlation between the current state of technology integration in schools, and addresses principal methods and strategies in successfully integrating technology for instructional purposes. Also, the research focuses on principals providing recommendations to supervisors and higher education institutions to strongly support good school practices in the implementation of technology in teaching and learning. The research method for this study includes a quantitative and qualitative approach. The research was conducted in the municipality of Prizren in the Republic of Kosovo and the respondents for this study were principals, teachers, and students of primary and secondary schools. For data collection, questionnaires were designed with closed questions, where the answers to the questions are evaluated with the Likert scale. In addition to questionnaires, observation with a checklist was used in data collection. In the end, interviews were conducted with principals, teachers, and school students. The results of this research show that this study proves our understanding of the importance of technology for a quality school and its impact on principals, teachers, and students. The conclusions and implications of this study have served to understand the role of the principal in facilitating and supporting strategies in the integration of technology for a quality school of the 21st century.