Columbia subject headings:
Harvard subject headings:
Business and education--United States.
Education--Economic aspects--United States
High school graduates--Employment--United States
Public schools--United States
Teachers--Salaries, etc.--United States
Princeton subject headings:
Business and education--United States.
Education--Economic aspects--United States.
High school graduates--Employment--United States.
Public schools--United States.
Teachers--Pensions--United States.