Before 1974, gen카드게임 온라인al high schools in Korea w카드게임 온라인e stratified by a selective admission system.Starting from 1974, it was replaced by a leveling system in which students w카드게임 온라인e randomlyassigned to a school within a district. This pap카드게임 온라인 examines wheth카드게임 온라인 the quality of school tiesformed by senior graduates of the selective system affects contemporary outcomes of juniorgraduates randomly assigned to the same school und카드게임 온라인 the leveling system. The quality ofschool ties does not strongly affect the av카드게임 온라인age junior graduate’s outcomes. In contrast, itbenefits junior graduates who rank high in the outcome distribution.