I am not sure what to say about this aside from shocking:

Urban school district graduation rates at a glance

A look at graduation rates for the main school systems in the nation’s 50 largest cities, according to a report released Tuesday by the America’s Promise Alliance. Researchers estimated the likelihood that a 9th grader would complete high school on time with a regular diploma. They used school enrollment and diploma data but did not use data on dropouts as part of its calculation.

City Principal School District (03-04 percentage)

Columbus, Ohio Columbus Public Schools – 40.9 –

41%. I had no idea that Columbus Public Schools only graduated 41% of students.