This study addresses the lack of knowledge about the relationship between self-efficacity related to work, transformative leadership and the disposition of school Principals to resist change. One hundred and twenty-six respondents completed three measurement scales: the Scale of School Principals' Self-efficacy, the Self-Reported Leadership Scale and the Dispositional Resistance to Change Scale. The results indicate that there are links between different dimensions of self-efficacy related to work and dispositional resistance to change of school Principals and that certain dimensions of transformative leadership play an intermediate role in these relationships. These results are discussed in the light of theories and studies relating to the three concepts.