Why? For the longest time, Protestant culture was/is the mainstream that was taught in public schools in the first place.
You only need alternate schooling if the mainstream variety doesn't teach what you want it to.
Nowadays, though, it's looking to be more and more necessary for Protestants as well.
“Why? For the longest time, Protestant culture was/is the mainstream that was taught in public schools in the first place. “
They were trapped by the government. They should’ve realized that it was a mistake to rely on the government for their children’s education.