Marijuana Use in Lifetime, by Gender and Grade Level

Year(s): 2013-2015

West Contra Costa Unified (School District)Percent
FemaleMale
Grade Level0 Times1 Time2 Times3 Times4-6 Times7 or More Times0 Times1 Time2 Times3 Times4-6 Times7 or More Times
7th Grade91.9%3.5%1.3%0.9%0.6%1.7%92.2%2.9%1.2%1.5%0.7%1.6%
9th Grade70.5%6.7%3.8%3.4%3.7%11.8%78.5%4.4%3.0%1.7%1.6%10.7%
11th Grade63.3%5.5%4.3%3.6%4.9%18.4%60.9%4.4%4.0%2.9%2.9%24.8%
Non-Traditional30.4%6.0%8.2%5.4%5.4%44.6%32.1%3.8%7.1%2.8%4.7%49.5%