This is the 17236th most frequent Korean word.
서울외고
"서울외고" refers to Seoul Foreign Language High School, an educational institution in Seoul, South Korea specializing in foreign language studies.
The word '서울외고' here is used as the proper noun representing a specific institution.
서울외고는 대한민국의 외국어 고등학교 중 하나입니다.
Seoul Foreign Language High School is one of South Korea's foreign language high schools.
In this sentence, '서울외고' is used to denote the school whose students are being mentioned.
나는 서울외고 학생들과 함께 프로젝트를 준비하고 있어요.
I am preparing a project together with students from Seoul Foreign Language High School.
Here, '서울외고' indicates the school to which the admission process is being referred.