Use v. in legal writing, vs. otherwise. The program in arts and sciences is well rounded. The program produced well-rounded students. He is a part-time instructor in the Computer Information Systems Department. He works full time as the music director.
Fund raising is a major concern.
Spell out United States as a noun, abbreviate to U.S. as an adjective. When in doubt, do not capitalize. The planets Venus and Earth are second and third in order from the Sun. Though is it legally a commonwealth and not a state, commonwealth should not be capitalized. Call the Accountancy Department for information.