- Grade level: 8th grade through high school graduation; Race/ethnicity or tribe: As reflected in the Detroit, Wayne County, Michigan communities: African American, Latina, White, Mixed Races. At the time of the latest U.S. Census data, teens in Detroit were 81.9% African American, 9.7% Latino/a, 4.4% Caucasian, and 3.9% other races/ethnicities; Risk characteristics: Many will be at-risk by virtue of living within 200% of the federal poverty guidelines, doing poorly in local schools, being exposed to gang activities, and being sexually active; Other characteristics: living in Wayne County at the start of the study.