The study tried to examine how parental attributes influence femalerna dolescents' sexual activity. The data was collected from femalernstudents in the age group 14-19 years of Bole and Medhanialem highrnschools in Addis Ababa using cross sectional study. A total samplernsize was 800 students selected by employing multistage randomrncluster sampling method. The data was entered and a nalyzed usingrnSPSS. Descriptive statistic used to describe the respondents' and theirrnpa rents' characteristics. Binary logistic regression model was used tornestablish relationship between the female adolescents' sexual behaviorrnand their parents' characteristics.rnThe study revealed that 12.6 % of the students have reported to startrnsexual intercourse. Age at first sex reported 55.4% started at middlernadolescence (l4-15) and the rest 44.6% at late adolescence (16-19).rnAround 3 1 % of sexually active girls had multi-sexual partners.rnGreater proportion of the students (76.2%) had involved into sexualrnintercourse willingly. Among the respondents 727 (90.9%) have betterrnwhile 73(9.1 %) poor knowledge pertaining to HIV / AIDS. Although,rn74.0% of the students have sufficient knowledge about contraceptivernmethods, 62.5% of the sexually active students did not userncontraceptive during their first sexual intercourse.rnThe finding of multivariate analysis point out parental religiosity,rnmothers' education, parental income and parent adolescentrncommunication about sexual issues have significant influence onrna dolescents' sexual behavior.rnIt is concluded that high school students are involving in to riskyrnsexual activities. As they are in the age to be under parent'srnguidance, parents have the responsibility to instruct their childrenrnsexual beh avior. Hence it is important to design programs that willrnempower parents with the skills to shape their children'srnreproductive health matters would be promoted in the study area.