Sexual Identity of High School Students

In a survey of the sexual identity and behavior of high school students, the Youth Risk Behavioral Surveillance System has released the following findings on the sexual identity of students in grades 9 through 12...

Heterosexual: 93.0%
Gay or lesbian: 1.3%
Bisexual: 3.7%
Not sure: 2.5%

Note: The survey asked high school students about their sexual identity in the states of Delaware, Maine, Massachusetts, Rhode Island, and Vermont, and in the cities of Boston, Chicago, New York, and San Francisco. Figures above are medians for the 9 reporting areas.
Source: CDC, Morbidity and Mortality Weekly Report, Sexual Identity, Sex of Sexual Contacts, and Health-Risk Behaviors among Students in Grades 9-12--Youth Risk Behavior Surveillance, Selected Sites, United States, 2001-2009