Daily use of marijuana declined among 8th graders compared to last year, from to percent. Among both 8th and 10th graders, daily marijuana use decreased over the past 5 years from to percent and from to percent, respectively. Among 12th graders, percent continue to report daily use—that’s about 1 in 16 high school seniors. Among all grades, the perception of risk associated with smoking marijuana regularly continues to decline, with only percent of 12th graders reporting that regular marijuana use is harmful compared to percent in 2000. However, disapproval among 12th graders remains somewhat high, with percent saying they disapprove of smoking marijuana regularly.