Who would think that separating kids in school by reading level could result in some of those kids becoming huge jerks to their own peers? Kids are all basically sociopaths anyway, so giving a talented one a tangible reason to be an ass isn't exactly gonna help their social development in the long run. The internet weighed in on this sibling giving their sister the straight facts about her attitude toward other people. For another one like this, here's the condescending genius brother who final…