Avira > Quite ironically, the most sanitary courses are online, where you don’t have an institution and the presence of authority figures shaping your mind and getting inside your head.
Indeed, not sure why “ironically”. Still, some maturity and parental support is required. Show interest in the kid’s studies and peruse some of the material. For a thinking student, it is usually enough to point what is silly there and with encouragement, he’ll be showing what he discovered to avoid himself.