One of the main problems is accountability. As Squeak mentioned, most schools don’t show the books. You can ask, but then your kid won’t get into that school. They label themselves as a church so they are not required to file a 990 with the IRS.
Tuition + Mandatory Fees should not be close to ALL of someone’s expenses.
My suggestion was posted a while back, but the mods never approved it. I think it depends on which mod is active. Some mods will just delete my post without letting it through.