exual behavior takes a prominent position in the lives of youth and has significant implications for health. Rates of sexual activity increase significantly during adolescence. National data from the United States (US) show that 20% of 9 th grade students had sexual intercourse, whereas 57% of 12 th grade students had sexual intercourse. 1 Nearly 90% of young people have had sex by age 24. 2 Sexual behavior is intimately related to many health issues, including unplanned pregnancy, sexually transmitted infections or diseases (STIs/ STDs), and sexual violence and trauma. Given the significance of these health issues, schools have sought to educate youth about sexual health, and state policy is a primary determinant of schoolbased sex education. However, relatively little pol

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