ABSTRACT:Less than half of a random sample (N = 211) of high school health teachers formally teach about homosexuality. When taught, it most commonly is taught for less than one class period. Only one‐in‐four teachers perceived themselves as very competent in teaching about homosexuality. This is not surprising given the fact that teachers were most likely to identify the mass media as the most commonly used source of information regarding homosexuality. One‐in‐five teachers claimed students in their classes often used abusive language when describing homosexuals. One‐third of health teachers indicated gay and lesbian rights are a threat to the American family and its values. However, one‐third of the health teachers perceived the schools were not doing enough to help homosexual adolescents. Finally, more than half the health teachers indicated gay/lesbian support groups would not be supported by their school administrator. Perceptions and behaviors regarding adolescent homosexuality varied by the teachers' gender, age, educational level, and teaching status regarding ho