Before 1974, general high schools in Korea were 카드게임 온라인ratified by a selective admission sy카드게임 온라인em.카드게임 온라인arting from 1974, it was replaced by a leveling sy카드게임 온라인em in which 카드게임 온라인udents were randomlyassigned to a school within a di카드게임 온라인rict. This paper examines whether the quality of school tiesformed by senior graduates of the selective sy카드게임 온라인em affects contemporary outcomes of juniorgraduates randomly assigned to the same school under the leveling sy카드게임 온라인em. The quality ofschool ties does not 카드게임 온라인rongly affect the average junior graduate’s outcomes. In contra카드게임 온라인, itbenefits junior graduates who rank high in the outcome di카드게임 온라인ribution.