It was designed to protect academic freedom, and to safeguard the faculty member from changes in the administration and from public pressure. Critics of the tenure system feel that tenured faculty are frequently not productive and that having too many of them keeps many young scholars out of teaching positions in the universities. The highest rank is that of full professor. All colleges and universities derive part of their income from student tuition and fees. The rest of the cost of running a state institution come from taxes.
Private institutions have to depend on fund-raising and other sources of money.
Most private colleges have experienced difficulties in the past years, and many have gone out of business. But even public institutions have been forced to raise tuition. Since then, enrollments have continued to increase, but at a slower rate.