▁( 이 은 두 ), ▁as ▁the ▁ 4 th ▁principal ▁ 1 9 9 9 . ▁ 3 . ▁ 1 . ▁Ch anging ▁capacity ▁of ▁one ▁grade ▁to ▁ 4 6 ▁people ▁ 1 9 9 9 . ▁ 9 . ▁ 1 . ▁In aug uration ▁of ▁De ok G ue ▁Lee ▁( 이 덕 규 ), ▁as ▁the ▁ 5 th ▁principal ▁ 2 0 0 0 . ▁ 9 . ▁ 1 . ▁In aug uration ▁of ▁Gy u T ak ▁Ye on ▁( 연 규 탁 ), ▁as ▁the ▁ 6 th ▁principal ▁ 2 0 0 3 . ▁ 9 . ▁ 1 . ▁In aug uration ▁of ▁J ong T ae ▁Lee ▁( 이 종 태 ), ▁as ▁the ▁ 7 th ▁principal ▁ 2 0 0 4 . ▁ 3 . ▁ 1 . ▁Rem od eling ▁reading ▁room ▁ 2 0 0 4 . ▁ 1 2 . ▁ 2 2 . ▁Rem od eling ▁Che ong W un ▁D orm . ▁ 2 0 0 5 . ▁ 9 . ▁ 1 ▁In aug uration ▁of ▁Ch ung H wan ▁Se on ▁( 손 충 환 ), ▁as ▁the ▁ 8 th ▁principal ▁ 2 0 0 6 . ▁ 8 . ▁ 1 4 ▁Rem od eling ▁Physics ▁and ▁Earth ▁Science ▁Lab . ▁ 2 0 0 7 . ▁ 2 . ▁ 2 8 ▁Rem od eling ▁Chem istry ▁and ▁Bi ology ▁Lab . ▁ 2 0 0 7 .