At least in the US, by far the largest impact on a student's education is parental involvement. It is how single mothers with only a high school education can h

At least in the US, by far the largest impact on a student's education is parental involvement. It is how single mothers with only a high school education can homeschool their children and have them average in the top 60% of public schools on standardized tests. This argument about money has always been about administrator and teacher jobs for two reasons. One, telling parents they need to do better is politically untenable and a nearly intractable problem. Two, teacher unions have consistently been a powerful voting block in nearly every state, turning every debate on public education into at least a partial referendum on their pay.