Marijuana Use in Past Month, by Grade Level

Year(s): 2017-2019

Placer CountyPercent
Grade Level0 Days1 Day2 Days3-9 Days10-19 Days20-30 Days
Grade 798.2%0.7%0.4%0.3%0.2%0.2%
Grade 994.1%2.0%1.1%1.1%0.7%0.9%
Grade 1186.9%3.9%2.3%2.6%1.7%2.5%
Non-Traditional69.4%4.0%2.9%4.8%4.1%14.9%