The purpose of this study was to compare and identify the existing dominant leadership styles inrnprivate and government secondary schools in Gullele sub-city, Addis Ababa. To achieve thesernobjectives a descriptive survey research method was used. The data were collected from primaryrnsources. The primary data sources were principals, vice-principals, teachers, Woreda officialsrnand supervisors who were selected from private and government secondary schools of Gullelernsub-city. The total population of the study was 234 respondents. A non-probability purposivernsampling was used to include all respondents that can provide appropriate data for the study.rnThe questionnaire was Likert scale type that measured the degree of respondents’ belief orrnagreement and were derived from the leader’s behavior description model and modified torndirectly adjust to the study and presented to the respondents. 157 questionnaires were distributedrnto 119 teachers, 10 principals, 18 vice principals, 5 supervisors and 5 Woreda officials. The datarnwas analyzed and interpreted based on the kind of question by using descriptive statistical toolsrnand comparing means through independent sample t-test. Thus, the finding showed that mostrnrespondents of Governmental secondary school leaders having higher percentage of Autocraticrnleadership, while most private secondary schools’ leaders (respondents) agreed that they werernpracticing democratic leadership style, autocratic leaderships style was the most dominantrnleadership style practiced in both private and Governmental secondary school. It can bernconcluded that both the Governmental and private Secondary School heads were practicingrnautocratic, democratic and delegative leadership styles with no significant difference. Autocraticrnleadership style was the most dominant leadership style practiced by leaders of GovernmentrnSecondary Schools, autocratic leadership style was the most practiced or dominant leadershiprnstyle, democratic leadership style was moderately practiced whereas delegative leadership stylernwas the least practiced one, the leaders need to be encouraged to practice democratic andrndelegative leadership styles more than they practiced before or earlier, Governmental secondaryrnschools should be compromised gap between school leaders and teachers autocratic andrndemocratic respectively, autocratic leadership style should be discouraged among governmentalrnschool.rnKey words: Leadership Style, Leadership Behavior, Leadership Practice