This is the 502nd most frequent Korean word.
서울대
Seoul National University.
서울대 is used as an abbreviation referring specifically to Seoul National University.
서울대 캠퍼스는 매우 아름답습니다.
The Seoul National University campus is very beautiful.
서울대 is used as the goal or institution representing a high academic standard.
서울대에 입학하려면 열심히 공부해야 합니다.
To be admitted to Seoul National University, you need to study hard.
서울대 is mentioned as the institution where the speaker studied.