The Ontario Student Drug Use and Health Survey (OSDUHS) is a population survey of Ontario students in grades 7 through 12. The OSDUHS began in 1977 and is the longest ongoing school survey in Canada—and one of the longest in the world. This self-administered, anonymous survey is conducted across the province every two years with the purpose of identifying epidemiological trends in student drug use, mental health, physical health, gambling, bullying, and other risk behaviours, as well as identifying risk and protective factors. Typically, the OSDUHS surveys thousands of students in over 200 elementary and secondary schools across Ontario.
This survey provides current and reliable information about the health risk behaviours, attitudes and beliefs of Ontario adolescents, and it tracks changes over time. OSDUHS findings have been widely used by health, education, and government officials in setting health priorities and facilitating preventative policies, programs, and services that address youth needs.
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2023 OSDUHS Reports
Mental Health and Well-Being Reports
You can also view the Mental Health and Well-Being Summary Report in English and French.
Drug Use Report
You can also view the Drug Use Summary Report in English and French.
