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Historically, improper use of school disciplinary practices have been shown to lead to a "school-to-prison pipeline" that encourages harmful behavior. Featuring past PISC trainee Beidi Dong, this study aims to explore which disciplinary practice -- school suspension, expulsion, or police arrest -- has more impact on youth drug usage habits. The results indicated that suspension and expulsion were more likely to predict drug use, and such negative effects were mainly exhibited among students of minority groups.