Survey Content Illinois Youth Survey Topics Alcohol, tobacco, and other substance use Beliefs about substance use Health and nutritional behaviors Feelings about school Family support and rules about substance use 2026 Survey Forms English 2026 IYS – 8th Grade 2026 IYS – High School Spanish 2026 IYS – 8th Grade 2026 IYS – High School 2026 Survey Revisions View a summary of the 2026 survey revisions.