Let 'em have some candy! Take some to school ...Moderation moderation moderation! Aim for reasonableness and be reasonable about it. When they're not looking
hide some of the candy. Dole it out as treats in lunch boxes, on weekends, during car rides. Maybe it is a bit sneaky but it will work for the greater good.
Just some thoughts ... I'm sure my folks had to hide it from me ... I would make myself sick on that crap!
have fun