Charter schools are a WASTE of money. I have a relative who was a public school admin for at least a decade or two. Charter, district, magnet schools, special joint charters, all of it. Also a student of private schools until graduate level. It really comes down to how well administered any of them are and the teachers but in terms of waste -- charters are worst.
A district pools resources which saves on cost. Charters have regulations of public but are basically a district on their own without pooling abilities and also more subject to the local political influences (this is bad;) sometimes they are more like private in that they can easily kick out students for many more reasons.
Private schools just kick out any problems or don't let them in. Expensive students are dumped on the public school to deal with.
Also, districts often have an alternative learning school for the criminal element and some might be teamed up with the prison system but usually those are special districts. Broad public funding goes to them all and adds significantly to the cost! That disabled child who is in such bad shape they need a full time assistant with them ALL DAY is crazy expensive. FREE bussing is not cheap either. Certainly, some waste goes on and being larger the number adds up to more; bureaucracy hides waste too, but it's not as high as people think when you put it into % rather than totals.
If your district, which has an elected management is poor; then it is YOUR FAULT it is poorly run. But go ahead and blame somebody else and the decline of your community when those idiot kids become adults and your snowflakes were isolated and sheltered.
Parents should have ZERO choice. It's OUR society and children are not solely your property to dictate; the culture that excludes society is bound to fail in the end. If your school sucks and you can't choose an alternative then you need to do something about it instead of buying your way out of it; if you can afford to do so. Oh, and a chuck of that private money is spent to sucker customers into how great their purchase was. Public schools have zero or almost zero budget for self promotion.
If we could have uneducated, poorly screened, pedophiles teach our children it would be a lot cheaper and we'd feel good because a man of god was there instead of some secular college grad with a masters - who BTW, in this culture is treated like shit and that was before today's anti intellectualism.