School work
The context of sexual relationships may determine whether the sex is harmful or not to a young person's GPA, as well as to their chances of dropping out of school. University of Minnesota sociologist Eric Grodsky says that, for teens, "sex outside of a romantic relationship may exacerbate the stress youths experience, contributing to problems in school," which prompted sociologist Peggy Giordano of Bowling Green State University to offer "some comfort to parents who may be concerned that their teenage son or daughter is dating" and that teen sex, on its own, is "not going to derail their educational trajectories."
On the other hand students who hook up and have casual sexual encounters are more likely to do poorly in school and get lower grades. They also care less about school and get in more trouble. Boys who hook up have GPAs that are .3 lower than virgins and girls who have casual sex have GPAs that are .16 lower. They also get suspended or expelled more and had lower expectations of going to college.
All kids who have sex, even if they are in a relationship, are more likely to skip school or just drop out altogether. Additionally, adolescents who start having sex before they reach age 16 are much less likely to go to college.
Marriage
Women who first have sex as teenagers are much more likely to divorce, especially if their first time was unwanted or if they had mixed feelings about it. Among sexually active girls, two-thirds say they didn't want to lose their virginity when they did or that they had mixed feelings about it, a condition that is strongly associated with future divorce. Girls who lost their virginity before the age of 16 are also more likely to divorce than those who lose it later.
Of women who had sex for the first time as teens, 30% divorced within five years, and 47% divorced within 10 years of getting married. The divorce rate for women who delayed sex until adulthood was far lower: only 15% at five years, and 27% at 10 years. "There are down sides to adolescent sexuality, including the increased likelihood of divorce," according to Anthony Paik, associate professor of sociology at the University of Iowa. Researchers believe "that the early sexual experience leads to the development of behaviors or beliefs that promote divorce."