The purpose of this study was to measure shared leadership and positive psychological capital levels of teachers at schools and to examine the relationship between these two variables. Descriptive survey and relational research models were used in the study. The sample group of the study was comprised of 550 teachers working at primary and secondary schools at the Battalgazi and Yesilyurt central districts of the province of Turkey during the 2017-2018 academic year. The data were acquired via Shared Leadership Scale and Positive Psychological Capital. Descriptive statistics were calculated during the data analysis stage, correlation analysis and regression analysis were used. According to the results of the study, there is a correlation between shared leadership and the positive psychological capitals of teachers at primary and secondary schools. Shared leadership at primary and secondary schools predict the positive psychological capitals of teachers and all its sub-dimensions in a statistically significant manner. It was observed as a result of the study that shared leadership and positive psychological capitals of teachers are at a high level in primary and secondary schools. It was observed that shared leadership at schools increases the positive perspectives of teachers, their expertise, sense of trust, social characteristics, their resolve to struggle against difficulties and their hope for the future. It was observed that creating a school environment based on sharing, supporting the efforts of teachers, including them in decision making processes, ensuring that they effectively contribute to all development and change efforts in the school or the solution stages of a problem as well as working in cooperation to reach the goals of the school are important so that teachers as one of the most important elements of education develop a positive psychology.