These guidelines for effective school health education to prevent the spread of Acquired Immune Deficiency Syndrome (AIDS) and other sexually transmitted diseases, were developed to help school personnel and others plan, implement, and evaluate educational efforts to prevent unnecessary morbidity and mortality associated with AIDS and other human immunodeficiency virus (HIV) diseases. Content considered essential for AIDS education in early elementary school, late elementary/middle school, and junior high/senior high school is summarized. Twenty-six references are listed. (JD)