Marijuana Use in Lifetime, by Grade Level

Year(s): 2015-2017

River Delta Joint Unified (School District)Percent
Grade Level0 Times1 Time2 Times3 Times4-6 Times7 or More Times
7th Grade94.9%2.5%1.3%1.3%0.0%0.0%
9th Grade71.3%5.6%0.0%2.8%5.6%14.8%
11th Grade63.0%5.2%1.5%5.9%3.0%21.5%
Non-TraditionalN/AN/AN/AN/AN/AN/A