Columbia subject headings:
Academic achievement.
Collective bargaining--Teachers--United States.
School personnel management--United States.
Teachers' unions--United States.
Harvard subject headings:
Academic achievement
Academic achievement--United States
Collective bargaining--Teachers--United States.
School personnel management--United States.
Teachers' unions--United States.
Princeton subject headings:
Academic achievement.
Collective bargaining--Teachers--United States.
School personnel management--United States.
Teachers' unions--United States.