In 1988 a questionnaire was administered to 1,793 urban and suburban New Jersey high school students to survey their knowledge, attitudes, and behavior related to the acquisition of acquired immunodeficiency syndrome (AIDS). Knowledge about the disease was high, but exaggeration of risk from social contacts was common. Although fear was associated with misperceptions, it was not always dispelled by knowledge. Nearly half (49%) of all participants reported having used condoms, indicating that condom use is somewhat familiar and acceptable to them. Over 80% thought that condoms offer some protection against AIDS. However, knowledge did not always result in recognition or practice of risk-reduction behaviors. Student suggestions for slowing the spread of AIDS stressed personal responsibility and education. Follow-up assemblies that used survey results to address gaps in knowledge appeared necessary to counter misperceptions that might have arisen from the survey.