AP Styles to Watch

Highlights

In general, avoid unnecessary capitalization.
The title Dr. is used only for medical doctors, not someone with a doctorate.
In general, formal titles are capitalized only when they precede a name, not after. This includes “Todd Saliman, president of the University of Colorado.”
No hyphen in "grade" or "grader" (first grade student, third grader).
Use figures for numbers of 10 and higher, except when they begin a sentence.
In a series of items, AP style calls for no comma before the final “and,” such as in “red, white and blue.”
Periods and commas are always placed within quotation marks, never outside.

4 p.m., not 4:00 p.m.
2023–24, not 2023–2024 (but use the full year when crossing a century mark: 1995–2005)
After the Center for the Study of Snowboarding has been introduced, use “center” on second reference, not “Center.”
The word “university” is not capitalized when used by itself.
After Professor Jane Jones has been introduced, use “Jones” on second reference, not “Professor Jones.”
When introducing multiple professors, make “professors” lowercase, as in “professors John Smith, Jane Jones and Jim Johnson.”
Corporation is always abbreviated as Corp. Company is always abbreviated as Co. And if a company name ends in Inc., Co. or Corp. do not set it off by a comma.
A premiere is a first performance. Premier means first in importance or rank.
Underway is always one word.
Do not capitalize the word city in “city of” phrases such as “city of Boulder.”