This is the 4017th most frequent Korean word.
이사장
Chairperson of the board or foundation.
The word '이사장' here refers to the chairman or president of the board of directors of an institution, specifically the school discussed.
우리 학교 이사장은 학생들의 안전을 항상 최우선으로 생각한다.
The chairman of our school's board always prioritizes the students' safety.
The term '이사장' is used to denote the elected head of the directors managing a company or organization.
그 회사의 이사장은 신규 사업 계획을 발표했다.
The chairman of that company's board announced the new business plan.
'이사장' in this sentence signifies the leader or principal figure among the board members responsible for decision-making.