The phrase "school authorities" refers to the people in charge or in positions of power at a school. They are responsible for making important decisions, enforcing rules, and governing the overall functioning of the school. Full definition
Nevertheless, the concept of the «school yard» is not without boundaries and the reach of school authorities is not without limits. (slaw.ca)
The resume displays all the characteristics, features and skills about the individual which will help the secondary school authorities in making employment decision. (resume-examples.org)
But this brings to mind the studies of the effectiveness of Catholic schools, which are not under public school authority and are not paying public school salaries. (educationnext.org)