By Renee Ryberg, Nadia Orfali Hall, Claire Kelley, Jessica Warren, and Kristen Harper, Child Trends, January 2020 In 2015, an average 15-year-old could expect to live to age 79. However, teens living in the 1 percent of neighborhoods with the lowest life expectancies could expect to live to 70—a lifespan nine years shorter. Educational attainment, a key social determinant of health, is one of the most powerful predictors of life expectancy. This association has strengthened over the past 20...