The Bottom Line

School finance experts may have refined their models for determining how much it should cost to adequately educate students, but that doesn't mean they always agree on the results.

By David J. Hoff

How much does it cost to provide students with a sound basic education? It depends on whom you ask.

For the past 15 years, school finance experts have been searching for ways to quantify the costs of providing an education that are based on the best research available. Those experts have devised their own methods of estimating such costs, and the approaches they use and the assumptions they make sometimes result in drastically different dollar figures.

The price tag recommended by studies in Kentucky varied by as much as 40 percent, depending on the...