This is the 17269th most frequent Korean word.
서흥초등학교
Seoheung Elementary School.
Here, '서흥초등학교' is used as the subject, referring to a specific school entity.
서흥초등학교는 우리 동네에 있는 초등학교입니다.
Seoheung Elementary School is an elementary school in our neighborhood.
In this usage, '서흥초등학교' indicates the location where an action (working) is occurring.
내 친구는 서흥초등학교에서 근무하고 있어요.
My friend works at Seoheung Elementary School.
Here, '서흥초등학교' serves as the object of the verb, specifying the school attended.