"Students with disabilities. Making up approximately 13 percent of all public school students nationwide, students with disabilities graduate at a rate of 63.1 percent nationally while their general population peers graduate at a rate of 84.8 percent—a gap of more than 21 percentage points. The gap between students with disabilities and those without ranges from 4.2 percentage points in Arkansas to 54.5 percent in Mississippi."
"Students of color. African American and
Hispanic/Latino students continue to be key drivers of the increase in
the national graduation rate. Still, less than 80 percent of these
groups graduated in 2014 – 76.3 percent of Hispanic/Latino and 72.5
percent of Black students. While narrowing, the gap between graduating
White and Hispanic/Latino students is 10.9 percentage points."
"Low-income students. Nearly half of all public school students come from low-income families. New data show that nationally 74.6 percent of low-income students graduated on time compared to 89 percent of non-low-income students—a 14.4 percentage point gap."