Columbia subject headings:
Harvard subject headings:
Safe and Drug-Free Schools Program (U.S.)
School violence--United States--Prevention
Students--Drug use--Government policy--United States.
Students--Substance use--Government policy--United States.
Princeton subject headings:
Safe and Drug-Free Schools Program (U.S.)
Students--Drug use--Government policy--United States.
Students--Substance use--Government policy--United States.