Investigating the relationship between the manager's decision-making methods and organizational health of second-degree high-schools in Bojnurd

decision-making compose the origin and basis of management tasks and a manager's skill can be seen in decision-making, self-efficiency of the tasks and the quality of the services presented by him. the aim of this research is to investigate the relationship between the manager's decision-making methods and organizational health of second-degree high-schools in Bojnurd. A descriptive-survey correlational methodology was used to conduct the research and of a total of 383 teachers in second-grade female high-school in Bojnurd, 191 teachers were selected randomly according to Krejici-Morgan Table using a startled random method and the research tools was a researcher-made questionnaire regarding the organizational health index (OHI) by Hoy et al. (1998). The research data were analyzed via SPSS (21) software and using Pearson correlation and multiple regression.Findings: among the methods of decision-making available for the managers, the Participative decision-making method has a higher effect coefficient (0.986) on the organizational health of the schools, and the decision-making methods predict 71% of the organizational health. The organizational health in these schools was 116.92, which is higher than the average level. in order to be able to have a healthy, supportive, high-spirit and trustful atmosphere in the organization, the manager's Participative decision-making methods play an important role in increasing the effectiveness of these decisions.