How does RSDT affect me?
If you do not use drugs, RSDT gives you one more good reason to continue avoiding drugs. It reinforces the school policy against drug use and helps to provide a safe, drug-free environment.
If you use drugs, no one can help you unless they know that there is a problem. Participating in RSDT can be a good way to let others know and let them get you the help needed. Using drugs is illegal and unhealthy but does not make someone a bad person; it just means there might be something else going on and that the student needs to stop drug use. Often people use drugs as a distraction from life, to not feel pain, to hide their emotions, etc.
See page 11 of What You Need To Know About Drug Testing In Schools [PDF], from the White House Office of National Drug Control Policy on what students can expect when tested.