Parents would be more in control of their own lives and have less cause to complain about others.
Anything is better than what many children face today in public schools.
Some top students aren't being challenged in public schools.
There are too many variables for a central planning board in trying to please thousands of parents/childrens.
A market-place is better than government control.
It is American to have choice wherever it can be done morally and responsibly.
Individual parents and not any level of government should determine whether or not a school is properly serving their particular child.