The Effect of Altruistic Leadership on Competencies with Self Efficacy as Intervening Variables for the Principal by YPK St. Yoseph Medan in Pematangsiantar

The objectives of this study are: 1. To find out the description of altruistic leadership, self efficacy, and the competency of the principal. 2. To find out the influence of altrusitic leadership on the competency of the principal with self efficacy as an intervening. This research uses a library research design and field research. The population in this study were all 39 principals. The types of data used are qualitative data and quantitative data. The data sources used are primary data and secondary data. Data collection was carried out with interviews, documentation and questionnaires. The research instrument test used is the validity and reliability test. Data analysis techniques consist of normality tests, qualitative descriptive analysis and quantitative descriptive analysis. The results of this study can be concluded as follows: 1. Altrusitic leadership, self efficacy and headmaster's Competence are good. 2. There is a positive influence between altruistic leadership on the principal's self efficacy. Likewise, the positive influence of self efficacy on the principal's competencies. 3. There is a medium and positive relationship between altruistic leadership and self efficacy. Likewise with a strong and positive relationship of self efficacy with the headmaster's commerce. 4. H0 is rejected, meaning that there is a positive and significant influence between altruistic leadership on competencies with self efficacy as intervening