<p>Adolescent sexual attitudes today many leads to deviant behavior, sex education often considered taboo to<br />formal school, information about sexuality is important for teens, through counseling information can be<br />transformed to adolescent sexuality. The purpose of this study was to analyze the effect of sex education on<br />the attitudes of sexuality education in adolescents aged 17-19 years in SMA 3 Probolinggo.<br />This study used a pre-experimental design of one-group pre-post test design. Samples of the research were<br />mostly adolescents aged 17-19 years in SMA 3 Probolinggo regency number of 72 respondents were taken<br />using simple random sampling technique. The samples were given a questionnaire pre-test followed by the<br />provision of sex education counseling and post-test questionnaire was given. Independent variables<br />measured were sex education counseling on sexuality and the dependent variable measured was the attitude<br />of sexuality in adolescents aged 17-19 years.<br />Based on the analysis using the Wilcoxon match pairs test using SPSS version 16, the error rate of 0.05, the<br />value of Ï = 0.000 is obtained, which means that Ï &lt;Î± then H1 is accepted, which means there is the effect of<br />giving sex education on sexuality attitudes in adolescents aged 17 -19 years.<br />In this study it can be concluded that there is effect of sex education on the attitudes of sexuality in<br />adolescents aged 17-19 years in SMA 3 Probolinggo.<br />Suggested that the results of this study can be served as the foundation for the school which the education<br />programs for youth in order to improve the knowledge, attitudes and even sexual behavior as expected can<br />be implementated.</p><p><br />Keywords : Sex education, Teen Attitudes, Adolescents</p>