“The traditional American high school is based on the premise that 15 percent of kids need extra help, 15 percent need remediation and 70 percent will do fine if you give them a good teacher. In high-needs schools, it’s like 95 percent need the additional support. We concentrate our neediest kids in a subset of schools that weren’t designed for that level of need.”
– Robert Balfanz, a research professor at the Johns Hopkins University School of Education, who helped to develop a program that has increased graduation rates at a Tulsa high school from 53 percent of seniors in 2013 to 75 percent of seniors in 2016 (Source)