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Prescription Drug Use Among Missouri High School Students 2015 2019 9th grade 11th grade 10th grade 12th grade are taking prescription drugs without a doctor's prescription. Did You Know? Fewer high school students For More Info 16% 13% 4% 6% 17% 13% 19% 24% Call the Substance Abuse & Mental Health Services Administration's (SAMSHA) national helpline to learn more or to find the treatment center nearest you. Source: 2015, 2019 Missouri Youth Risk Behavior Survey
