<p>A six year graduation rate of 55% is about average.</p>
<p>[Diplomas</a> and Dropouts - Education - AEI](<a href=“http://www.aei.org/papers/education/higher-education/diplomas-and-dropouts/]Diplomas”>http://www.aei.org/papers/education/higher-education/diplomas-and-dropouts/)</p>