That pet rock is looking very reasonable.
In truth, some of these schools are very, very good with high academic standards and worth every penny. Some of them are nothing more than holding pens for the imbecile children of over-privileged imbecile parents.
The truth of the matter is, it's still possible to get a first rate public education in NYC if a kid is highly motivated.
Go with the Chia Pet--there's more nurturing involved and, thus, a tighter bond.
There are wonderful communities in which to raise a family and send your children to the local school.
Further, families with incomes in the many many millions don't see the cost of private schooling as exhorbitant.
It's all relative.