The study aimed to identify the aspects of organizational behavior prevailing in secondary schools in Gaza Governorate from the point of view of the head masters themselves. the study population consisted of all the principals of secondary schools in Gaza Governorate, which numbered (52) head master and head masters , and the study tool was used, and it consisted of carrying out a personal interview for them according to the personal interview sheet, which was prepared specifically for this study, (12) head master and (12) head masters were interviewed, and their answers were collected and the phrases that were mentioned and that had a direct relationship with the field and subject of the study and influential in its results, where the study reached several results, the most important of which were:

1- There is a significant relationship between the prevailing organizational behavior in secondary schools and the performance level of employees in educational institutions.

2- The study concluded that there are statistically significant differences in favor of secondary school head masters that are higher than secondary school head masters in the field of organizational behavior and its relationship to improving the performance of employees.

3- The democratic pattern was used as a first option to be applied by the head masters of secondary schools in Gaza governorate, followed by the system pattern in importance and application.

4- The study concluded that all secondary school head masters feel of honor of belonging to the profession and are ready to continue their work wherever of the obstacles, whether physical or moral.

The head master and Head masters of secondary schools in Gaza Governorate made several recommendations and proposals to improve work and performance, including regarding the role of the Ministry of Education to work on regularizing financial matters, increasing the number of teachers, reducing the number of students in classes to the suitable number, trying to eliminate evening shifts, and full-time teaching of students, applying e-learning from earlier classes to students, and reconsidering the quantity and quality of curricula which students study .