This is the 4808th most frequent Korean word.
공립
"Public" or "state-run."
Here, '공립' is used to describe schools that are publicly established and managed by the government.
이 도시는 공립학교가 매우 많습니다.
This city has many public schools.
In this sentence, '공립' modifies '도서관' to indicate that the library is publicly funded and managed.
김 선생님은 새로운 공립 도서관의 개관식에 참여했습니다.
Mr. Kim participated in the opening ceremony of the new public library.
Here, '공립' is used to characterize the research institute as a public establishment.