chojunggo
primary, middle, and high school
école primaire, collège et lycée ; enseignement primaire et secondaire
한국의 초중고 교육 시스템은 매우 중요하다.
Hanguk-ui chojunggo gyoyuk sistema-neun maeu jungyohada.
The primary, middle, and high school education system in Korea is very important.
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