TEXT: TJane Mahoney stands at a counter in the KU Bookstore on the University of Kansas campus in Lawrence, Kansas. About 320 colleges and universities offered tuition guarantees during the 2012-13 school year, according to an analysis of U.S. Department of Education data done by the National Association of Student Financial Aid Administrators. The schools represent about 6.7 percent of the nation�s nearly 4,800 institutions where students receive federal financial aid. Tuition rates for freshmen are guaranteed for four years at Kansas.