Marijuana Use in Past Month, by Grade Level

Year(s): 2017-2019

Napa Valley Unified (School District)Percent
Grade Level0 Days1 Day2 Days3-9 Days10-19 Days20-30 Days
Grade 796.1%1.8%0.8%0.5%0.4%0.4%
Grade 991.1%2.7%2.1%2.4%0.6%1.0%
Grade 1183.4%3.9%2.7%4.2%2.2%3.6%
Non-Traditional58.1%3.3%4.1%5.7%6.1%22.8%