High-achieving, low-income high school students don't get enough information about the benefits of going to a selective college – including the fact that it might be less expensive for them to attend than other schools. New research shows that sending a packet of customized college information to those students can significantly increase the number of applications they send to selective colleges. And the "information invention" costs just $6 per student, according to the discussion paper for the Hamilton Project by Caroline Hoxby of Stanford University and Sarah Turner of t...