Based on work place drug testing policies, Random Student Drug Testing to be drug tested at school. Drug tests are usually in the form of a urinalysis, which detects marijuana, cocaine, amphetamines, PCP and opioids. The stated goal of such programs is to identify students with possible substance abuse issues and to intervene early. Punitive school practices such as zero tolerance policies grew out of the “War on Drugs” approach of the 1990s. Today, schools and administers implement these policies with the intended purpose of identifying students who may have a substance use problem and referring them to treatment. However, in many cases more punitive measures such as dismissal from extracurricular activities or expulsion have occurred.