Think of the School Board as the Board of Directors of a corporation. The Board hires the CEO (Superintendent) and sets policy. The Superintendent oversees district employees, manages daily operations, and executes the policies approved by the Board.
This blog on governance 101 does an excellent job explaining the role of a board member/director and how boards work collaboratively and closely with the Superintendent of schools (the board’s only employee).
Sabrina 4 School Board 