In urban schools it is over 20 percent, and, in some schools and districts, the teacher dropout rate is actually higher than the student dropout rate.

FORBES: High Teacher Turnover Rates are a Big Problem for America’s Public Schools

The government wariness of for-profit colleges is not without merit, as dropout rates and student loan default rates among their graduates are far higher than at traditional universities.

FORBES: Beaten Up By Shorts, Strayer Looks Cheap

Consider these facts: A minority student is four times more likely than a non-minority student to attend a high school with very low graduation rates (so-called "dropout factories") and three times less likely to attend a high school with very high graduation rates.

CNN: Commentary: Give kids a beacon of hope