: ▁In che on ▁Office ▁of ▁Education ▁( f resh men ▁and ▁s oph om ores , ▁since ▁ 2 0 1 0 ), ▁Se oul ▁Metropolitan ▁Office ▁of ▁Education ▁( f resh men ▁and ▁s oph om ores , ▁ 2 0 0 4 – 2 0 0 8 ), ▁Bus an ▁Metropolitan ▁Office ▁of ▁Education ▁( f resh men ▁and ▁s oph om ores , ▁ 2 0 0 9 ) ▁ ▁October : ▁Se oul ▁Metropolitan ▁Office ▁of ▁Education ▁( sen iors ) ▁ ▁November : ▁G ye ong gi - do ▁Office ▁of ▁Education ▁( f resh men ▁and ▁s oph om ores , ▁except ▁ 2 0 0 3 ) ▁ ▁December : ▁Se oul ▁Metropolitan ▁Office ▁of ▁Education ▁( f resh men , ▁ 2 0 0 3 ) ▁ ▁College ▁Sch ol astic ▁Ab ility ▁Test ▁Sim ulation ▁( CS AT ▁Sim ulation ) ▁The ▁College ▁Sch ol astic ▁Ab ility ▁Test ▁Sim ulation ▁( CS AT ▁Sim ulation , ▁) ▁is ▁hosted ▁by ▁K ICE , ▁and ▁unlike ▁the ▁N U AT , ▁anyone ▁who ▁is ▁el ig ible ▁for ▁the ▁CS AT ▁can ▁also ▁apply ▁for ▁this ▁test . ▁The ▁CS AT ▁Sim ulation ▁was ▁introduced ▁after ▁the ▁CS AT ▁failed ▁to ▁set ▁the ▁proper ▁difficulty ▁level ▁in ▁ 2 0 0 1 ▁and ▁ 2 0 0 2 . ▁It ▁was ▁first ▁implemented ▁in ▁ 2 0 0 2 , ▁and ▁during ▁its ▁early ▁years , ▁it ▁was ▁held ▁only ▁once ▁a ▁year