Other research 0 Grade 9 Grade 10 has shown that students who have started using marijuana are twice as likely to drop out of high school, compared with those who have not However, little change was evident in marijuana use, except among Grade 10 boys, over the two (Bray, Zarkin, Ringwalt, and Junfeng, 2000). surveys.
En 10e année, un tiers des garçons et un quart des filles avaient consommé de la marijuana trois fois ou plus au cours des 12 derniers mois.