https://nces.ed.gov/programs/coe/indicator_cce.asp most vulnerable students https://nces.ed.gov/programs/coe/indicator_cce.asp https://nces.ed.gov/programs/coe/indicator_cce.asp https://nces.ed.gov/programs/coe/indicator_cce.asp https://nces.ed.gov/programs/coe/indicator_cce.asp more than 20% 21% of school children are in poverty The Condition of Education (2018) NCES data the National Center for Education Statistics more than 20% more than 20% most at-risk for life-long academic challenges 21 percent more than 20% https://nces.ed.gov/programs/coe/indicator_cce.asp the most-educated parents of any racial or ethnic group https://nces.ed.gov/programs/coe/indicator_cce.asp prominently https://nces.ed.gov/programs/coe/indicator_cce.asp 1 in 6 children map source at-risk students more than 20% at-risk students at-risk students