This is the 17211th most frequent Korean word.
서울고
"서울고" refers to "Seoul High School," a high school located in Seoul, South Korea.
In this context, '서울고' refers to the name of a specific high school in Seoul, used as a proper noun.
서울고는 서울에 위치한 유명한 고등학교입니다.
Seoulgo is a famous high school located in Seoul.
Here, '서울고' continues to represent the high school being discussed, highlighting its role in the individual's education path.
그는 서울고를 졸업한 후 대학에 진학했어요.
He entered university after graduating from Seoulgo.
In this sentence, '서울고' is used to denote the location in reference to the area surrounding the high school, showing its geographical relevance.