Marijuana Use in Past Month, by Grade Level

Year(s): 2017-2019

Alameda CountyPercent
Grade Level0 Days1 Day2 Days3-9 Days10-19 Days20-30 Days
Grade 797.7%0.9%0.5%0.4%0.2%0.3%
Grade 990.5%2.8%2.0%2.3%1.1%1.4%
Grade 1183.1%4.4%2.9%4.1%2.1%3.5%
Non-Traditional62.5%4.7%4.7%7.6%5.0%15.6%