The purpose of this article is to analyze the opinions of teachers and principals and to bring valuable facts on the perception of teachers regarding the evaluation that is given to them from the professional side, as well as on the perceptions of school principals on how this evaluation affects the improvement of teacher performance and increasing the quality of education in schools. This study aims to reflect the way teachers and school leaders perceive the evaluation policy towards them, the quality of this process, as well as the influencing factors in the teacher evaluation process. The purpose of this study is to discover and analyze the perceptions of teachers and school leaders about the teacher evaluation process, as well as to determine how this process can be improved. In order to give a more complete overview of the perceptions that teachers and leaders have about evaluation as well as the factors that influence this process, as well as to reach the most realistic findings and conclusions that serve the achievement of the research objectives, quantitative methods were used, as well as the analysis of primary and secondary data. The survey with teachers and leaders was carried out in some of the main and largest districts of the country such as Tirana, Durres, Korçe, Elbasan, Shkoder, Lushnje, Vlore and Fier, which make up the study population.