I guess it varied. My (primary school age) daughter greatly benefited from a more bespoke, one-to-one approach, and came on leaps and bounds during home school

I guess it varied. My (primary school age) daughter greatly benefited from a more bespoke, one-to-one approach, and came on leaps and bounds during home schooling. But my wife wasn't working, so was fully available for her, which of course was not possible for everyone.