In thi s stud y an attem pt was made to explore the causes and consequences of sexual violencernaga inst female hi gh school students in Add is Ababa during January to May 2009. The study wasrncro ss-sect ional in design. Both qual itati ve through FGD and quantitative through structuredrnquestionnaire were collected. A total of 63 I high sc hool female students were participated in thernstud y, among those (2 I %) experienced sex ual intercourse. among those who did sexualrnintercourse (55%) started forcefu ll y/raped. Accord ingly alcohol ic drin ks. verbal threat. falsernpromise, use of authority and fri ends pressure are the major causes of rape. (37%) of the vic timsrnwere used alcohol at the time of rape. The result of this study al so reported that (45%) of thernrespondents had experienced unwanted sexual advances. According to the study results, age ofrnfema le students and habit of usin g substances, place of bi rth, living condition, parental maritalrncondition, parent's education and parent's monthly income have significant assoc iation withrnsexual vio lence. The consequences of sex ual violence accord ing to th is result are self blame.rnanx iety, fear, alcohol/drug dependency, school drop out. unwanted pregnancy and abortion. Tornsolve the problem behavioral change of female students. school community and in general thernsociety is needed.