I thank God that my parents did not send me to a school that banned God. Like it or not, every government school in this once great Republic is required to be atheistic. The days of government schools being effectively Protestant schools are long gone.
I started school in 1957. They didnt ban God. We said the pledge of allegiance every day one nation under God. Every Wed afternoon the public school buses would take us to religious instruction at our local catholic church. I also benefited from attending school with people diff than I.
Every parent should do what’s best for their children and family, although I find the whole home schooling thing weird. Who wants to isolate their kids?