Alcohol Use in Past Month, by Grade Level

Year(s): 2015-2017

Contra Costa CountyPercent
Grade Level0 Days1 Day2 Days3-9 Days10-19 Days20-30 Days
7th Grade95.4%3.2%0.6%0.6%0.1%0.2%
9th Grade89.0%6.1%2.2%1.7%0.6%0.5%
11th Grade76.7%9.7%6.1%5.3%1.2%1.0%
Non-TraditionalSSSSSS