Marijuana Use in Lifetime, by Grade Level

Year(s): 2015-2017

Castro Valley Unified (School District)Percent
Grade Level0 Times1 Time2 Times3 Times4-6 Times7 or More Times
7th Grade98.3%0.5%0.2%0.2%0.2%0.7%
9th Grade89.7%2.0%0.9%2.0%1.5%3.9%
11th Grade68.8%3.2%4.2%4.1%3.2%16.6%
Non-Traditional27.4%2.4%3.6%2.4%3.6%60.7%