http://www.cdc.gov/mmwr/preview/mmwrhtml/00026213.htm

These guidelines summarize school-based strategies most likely to be effective in preventing tobacco use among youth. They were developed by CDC in collaboration with experts from 29 national, federal, and voluntary agencies and with other leading authorities in the field of tobacco-use prevention to help school personnel implement effective tobacco-use prevention programs. These guidelines are based on an in-depth review of research, theory, and current practice in the area of school-based tobacco-use prevention.