Leader is the person who initiates the new structure and process to actualize the organization objectives, who persuades and affects his/her employers. A leader administrator needs to have some qualifications in addition to his/her educational background. The administrators' vision, sense of mission, personal integrity, self-efficacy,trustworthiness,honesty,self-confidence,communication skills,persuasiveness, and courage can be counted among his/her personality traits that increase his/her power. In order to be leader, a person needs to have most of these characteristics. The aim of this study is to examine to what extent the high school administrators have these characteristics. The population of this study consists of the teachers (n= 506) who were teaching at 14 different high schools in the city center of Bolu during the 2003-2004 academic term. 214 teachers, who were teaching at these high schools, formed the sampling of this study. During the study, the instrument "The Qualifications of Effective Leaders" was used. The data collected were encoded and these data were analyzed. During the study, percentages, frequencies, mean scores, t-test, one-way ANOVA, and tukey HSD techniques were used. The Cronbach's Alpha value of this study was found to be .90. As result of the analysis of this study significant differences were found at .05 level according to teachers' educational background. When their perceptions were analyzed, no significant differences were found among teachers' perceptions in terms of their gender, length of service, and branches.