Cogently put by Keri Ingraham, Discovery Institute’s American Center for Transforming Education Director in her Tuesday Wall Street Journal op-ed:
[M]ost “public” schools aren’t public at all.
In most communities, children are restricted to a single assigned school based on their home address and arbitrary boundary lines. Private schools often have academic, behavioral or other admissions standards, but they don’t keep children out simply based on where they live.
There’s this bit, too: