<p>HBCUs do a poor job of graduating students because of economics: lack of scholarship money. Most students at HBCUs have loans and have to work. When they drop out, it's because of economic reasons, research indicates.</p>
<p>That's also believed to be a large part of why the most generous colleges in the country -- places like HPYS -- do the best job of graduating students, including black ones for whom the graduation rate at such colleges can range as high as 95%.</p>