I think it's the other way around. Top pupils quit their post-school projects because they don't have teachers standing over them offering gold stars and punis

I think it's the other way around. Top pupils quit their post-school projects because they don't have teachers standing over them offering gold stars and punishments. They're so resigned to extrinsic motivation that it takes years to rediscover the creative, inner self: the guy that, without setting any goals, enjoyed lego and learning to speak english.