This this study aims to obtain the results of analysis and description of: Principal Leadership Behavior at SD Pendidikan Foundation (YPK) Kabaruan Elementary School in Talaud Islands Regency, Factors that support the Principal's Leadership Behavior at the Kabaruan Christian Education Elementary School (YPK) in the Talaud Islands Regency, Factors that inhibit Principal Leadership Behavior at elementary school Christian (YPK) Kabaruan in Talaud Islands Regency,Efforts are being made to address the leadership behavior of the principal. This study uses a descriptive method with a naturalistic approach. Descriptive nature refers to: (1) data collected in the form of words or documents; and (2) the research report contains excerpts from the data as an illustration in providing support for what is presented. For naturalistic approaches chosen for the following reasons. The problem that the researchers examined was about things that were going on at school, with the hope that data could be collected as much as possible, while still paying attention to data quality. Data collection techniques are the most important step in research, because the main purpose of the research is to obtain data. Without knowing the data collection techniques, the researcher will not get data that meets the specified data standards. When viewed from the data source, data collection can use primary sources, and secondary sources. Primary sources are data sources that directly provide data to data collectors, and secondary sources are sources that do not directly provide data to data collectors, for example through other people or through documents. Based on the results of the research and discussion presented in chapter IV, conclusions can be drawn as follows: The Principal of the Dassar Christian Education Foundation (YPK) Kabaruan in the Talaud Islands District in carrying out his duties was more likely to use a situational leadership model. Factors that support the leadership of the principal can be seen, among others, internal factors, namely good personality, discipline, firmness and modesty. The principal has managerial skills that should be improved. The implementation of teacher supervision, and external factors, namely the location of the school, environmental conditions, community support, administration, board of teachers, parents of students and the school committee. The inhibiting factor for the leadership of school principals in implementing a situational model is that there are still teachers who feel more senior, higher class, so that they do not support the principal's thinking pattern, there are also teachers who feel that the principal is carrying out discipline in schools such as the military. teachers who are lazy because they feel there are still relatives, principals are often absent from school because of outside school-related affairs / tasks. Businesses carried out are principals who have efforts to maximize situational leadership such as seeking a personal approach to teachers in guiding, directing, motivating and understanding applicable regulations, the principal entrusts his duties to the deputy headmaster of each school. leaving school because there is an affair at the education office related to the development of the school itself. Keywords : Teacher Performance, Managerial Abilities, Learning Facilities DOI : 10.7176/JEP/10-21-03 Publication date :July 31 st 2019