Answer:

teachers

Answer	Crossword Clue
TEACHERS	Kind of college
TEACHERS	Many NEA members
TEACHERS	They may have pets

TEACHERS	Members of an important profession.
TEACHERS	Campus group.
TEACHERS	Kind of pet
TEACHERS	Certain pet
TEACHERS	Mr. Chips et al.
TEACHERS	"...men are my ...": Plato
TEACHERS	Classroom figures
TEACHERS	They hope you've learned your lesson