More than 1 in 10 high school students identifies as gay, lesbian, bisexual, or "not sure," according to a government survey. The CDC's Youth Risk Behavior Surveillance System survey asked a representative sample of students in grades 9 through 12 about their sexual identity with these results...
Sexual identity of high school students
Gay or lesbian: 2.0%
Not sure: 3.2%
Among high school girls, 84.5 percent identify themselves as heterosexual or straight. Among high school boys, the figure is 93.1 percent.
Source: CDC, Sexual Identity, Sex of Sexual Contacts, and Health-Related Behaviors among Students in Grades 9–12—United States and Selected Sites, 2015