중학교middle school 중학생middle-schooler 중간middle; midway 중심center 식중독food poisoning 중(no equivalent expression) 중간middle 중간시험midterm 중심center 중앙middle

초급elementary level; beginning stage 초급반beginner's class 최고급the highest grade; top-level 특급special class; special rank; special grade 하급생junior student; underclassman 고급high quality; high grade 고급반class for advanced learners; the highest-level class 고급품high-end product 고급화enhancement 상급반upper grades; higher grades