Marijuana Use in Lifetime, by Grade Level

Year(s): 2015-2017

Napa Valley Unified (School District)Percent
Grade Level0 Times1 Time2 Times3 Times4-6 Times7 or More Times
7th Grade96.2%1.2%0.7%0.4%0.5%1.0%
9th Grade85.7%3.9%1.8%1.8%1.4%5.5%
11th Grade67.6%5.6%3.1%3.0%4.1%16.6%
Non-Traditional31.6%6.3%1.6%5.1%5.9%49.6%