Michigan's state-run school system is the largest and most expensive government service taxpayers support. It employs more than 350,000 people who work in one of the more than 4,100 different entities. The total amount this system expends each year adds up to more than $20 billion. Given the enormity and complexity of the system, it's no surprise that a number of myths exist about how public schools are funded. It is important to understand both the basis and the truth behind these myths, especially in an economically depressed era. When times were good in Michigan, mismanaged and misused funds could be whitewashed with new resources. In today's environment, however, school finances warrant greater scrutiny, which is why accurate school funding information is so important. Moving forward, Michigan will have to address the likelihood that for the next several years, schools on average will have fewer real dollars per pupil than they have had in the past. In order to best manage this challenge, policymakers need to understand clearly how their decisions will impact the well-being of students, districts, school employees and the taxpayers who foot the bill. (Contains 67 footnotes.)