In this video we see quite clearly one kind of parenting that exists in this world. It's the kind of parenting many teachers hate because they cannot keep this kind of kid interested because they know everything already. Teachers have this extreme in their classroom as well as the other extreme--that of a kid who wouldn't be able to tell you that the Granny Smith apple on the table is green.
You want successful students? Figure out how to prepare them when their parents don't play Periodic Table games.
Perhaps early childhood education programs are needed? Perhaps universal health care could alleviate some stress for families not yet up to snuff on the Periodic Table?