There were controversial research findings about the sources or nature of parent-rnadolescent conflict especially about the particular gender and sub-stages ofrnadolescence in which frequent parent- adolescent conflict occurs. Hence thisrnresearch was intended to investigate parent-adolescent conflict as a function ofrnadolescent sex, sub-stage, parents’ educational level. Moreover, whetherrnadolescent sex and sub stages affect or influence was investigated on 100rnresearch participants in Dejach Belay Zeleke Secondary School. Descriptive andrninferential statistics were employed for data analysis. The study found thatrnacademic and disciplinary issues of conflict were found to be the sources ofrnconflict between parents and adolescents. The sex and age difference overrndomains of conflict were found to be not significant though, the male participantsrnobserved as conflict makers than females except in autonomy issue. Similarly,rnage range 14-16 was found to be more conflict makers over domains of conflictrnthan 17-19 years old participants except in autonomy issue. There is nornrelationship between academic issue of conflict and educational level of father.rnThe relationship of disciplinary, autonomy and conversational style issues ofrnconflict with parental educational level (father and mother) was found to bernweak