The campus connection is explained by the Campus Remix Challenge web page:
… in the Fall of 2012 Rootstrikers launched a national campus team to help empower students to take a stand against corruption. Leaders from ten universities formed Rootstrikers chapters and immediately got to work tacking up flyers, giving speeches, and hosting events.
The University of Texas gathered on the steps of the state capitol, rallying to amend their campaign finance system. Campus leaders across the nation got their representatives “On the Record” about the corrupting influence of money in politics. And most recently, students at UC Berkeley and San Francisco State University helped make Rootstrikers’ 2013 conference a huge success.
The deadline is July 22, and the first prize is $2500 plus “the opportunity to present alongside Lawrence Lessig at your school.” The rules don’t require entrants to be students, so this could be another chance to get Lessig to a Coffee Party Austin / Common Ground for Texans event.