Introduction: Managers in organizations or educational centers are a part of life-giving that provision, design and maintenance work, have crucial role in training human resources efficiently. The main objective of this study was to determine the relationship between the efficiency of Vocational technical and Kardanesh schools administrators, and transformational leadership style. Methodology: This research is a descriptive-correlation, and its population of 916 trainers in vocational technical and Kardanesh schools in Mazandaran province. The sample size is 270, according to Morgan table, a multistage cluster sampling method was chosen. Two types of questionnaires were used to collect data: Bass & Avilio transformational leadership questionnaire and another questionnaire to measure the effectiveness of managers. Transformational Leadership Questionnaire reliability, using Cronbach's alpha coefficient / 89. And efficiency managers Questionnaire, 90 /. Were estimated. Results: The results indicate that, from the perspective of trainers, managers have, middle and high effectiveness, and, in general, between transformational leadership and principals, and their efficacy, a significant relationship exists. Between all the components of transformational leadership including: the desired mental persuasion, motivation, inspiration and personal considerations, and efficient management, the statistically significant relationship exists. Conclusion: Thus, managers with low transformational leadership style led to lower efficiency, and consequently managers with high transformational leadership style, which is high efficient management.