That is according to the results of the 2015 National Assessment of Educational Progress tests published by the Department of Education's National Center for Educational Statistics.

Only 4 percent of Detroit public school eighth graders are proficient or better in math and only 7 percent in reading. This is despite the fact that in the 2011-2012 school year—the latest for which the Department of Education has reported the financial data—the Detroit public schools had "total expenditures" of $18,361 per student and "current expenditures" of $13,330 per student.

According to data published by the Detroit Public Schools, the school district's operating expenses in the fiscal year that ended on June 30, 2014 amounted to approximately $14,743 per student.