The aim of the present study is to investigate the possibility of applying Management by Objective in Mazandran Education Organization; whether the existence of procedures, real control, rational and continuous use of management, the existence of standards, functions, clear and accurate missions of managers and clerks make the application of Management by Objective possible of not. The research method is descriptive-survey kind. The statistical population consisted all clerks, formal and contract recruitment, working at Mazandaran Education Organization (335 persons). According to Kergesy Morgan table, 181 were selected based on random stratified method. To gather data, a close ended questionnaire was employed. The data were descriptively and statistically analyzed (Z-test). The findings indicated that it is possible to use Management by Objective in Mazandran Education Organization.