The U.S. Supreme Court ruled Ball State is not liable because the person accused of creating a racially hostile work environment was not a supervisor.
Ball State officials say the schools did not meet the standards set out in their own charters.
The study is part of a report by the Center for Business and Economic Research.
It is not clear the seven Ball State charters slated for closure are the best in their neighborhoods. But some parents say they had nowhere better to go.
Ball State University will not renew its contract with seven schools in Gary, Indianapolis, Fort Wayne and Richmond for the 2013-14 academic year.
The study found learning increases at charters at an equivalent of two additional months of learning over the course of the year.
A Ball State survey shows 54 percent oppose a constitutional amendment banning gay marriage, while 38 percent support the proposed amendment.
Chicago's Seventh Circuit Court will use a harassment case filed against Ball State to clarify it's rulings on workplace harassment.
Hicks says the drop means less money for local government in places that are primarily financed by property taxes.