International Journal of Education and Research Vol. 4 No. 1 January 2016 195 INFLUENCE ON EFFECTIVE SCHOOL LEADERSHIP IN PRIMARY SCHOOLS DELI SERDANG IN NORTH SUMATERA Amanah Surbakti 1 Sri Milfayetty 2 1 Post Graduation in Educational Management, State University Of Medan, Indonesia Email : menasurbakti@yahoo.co.id 2 Lecture in Educational Management, State University Of Medan, Indonesia Email : milfayetty@yahoo.com ABSTRACT Various phenomena indicates schools did not take place effectively . This condition can be seen from the level of the student , the student achievement level is not optimal . Then the class level when holding Average values training elementary teachers 36.86 ( 164 153 people) are included in the low category . Further school level has not gone well because there is still pressure from other parties that make it difficult to take a principal's decision. To cope with it all then be made effective school models in which school leadership affect school effectiveness . The model is expected to be used as a proper foothold in the theory of finding an effective school system is the organizational behavior by Newstrom . In this case the success of education depends on its leader , effectively supporting the success of the school where the Human Resources ( HR ) is the dominant factor that determines the success of the process and outcomes of education . Human resources capable of supporting schools to be effective is the human resource that is able to be leaders influence others based on the beliefs and principles of religion which carries moral and spiritual mission of human progress, inculcate motives higher life form and sublime quality of goodness , beauty , generosity and subtlety . Keywords : Leadership and Effective Schools BACKGROUND Effectiveness required in any cooperative effort to achieve organizational goals . Achievement of the goals of this organization is something that is coveted by every organization . This is the background of how the effectiveness of these assessments are discussed within the organization . The same thing was stated by Steers that effectiveness is a business outreach program as a system with limited resources and the means to fulfill their goals and targets without crippling it means and resources , and without putting undue pressure on the implementation. Viewpoint is then an understanding of the opinion that the level of achievement of the organization Robbins in the short term and long term . But contrary to the organization that has a low effectiveness would be very difficult to achieve good results .