Last year Public Agenda discovered that 52 percent of Americans believe that colleges are run mostly like a business with their eye on the bottom line rather than mainly caring about education. It would be hard to make that argument for a school such as Berea College, in Berea, Ky., which accepts only students from low-income families and charges no tuition. There is no football team to root for, no glass and steel recreation center to work out at, and there are no climbing walls to scale. Yet 85 percent of the applicants who are accepted attend.