O

off campus/off-campus, on campus/on-campus
Standard hyphenation rules apply to these terms: when used as a modifier, either term must be hyphenated. When campus is used as a noun, drop the hyphen.

At Samford University, on-campus housing is plentiful and convenient.
Students who live on campus also find it affordable.
Off-campus apartments range in cost from $180 to $880.
That building is located just off campus on Lakeshore Drive.

office
Capitalize office only when it is part of an official name:

Office of Admission
Office of University Relations
Stop by the University Relations office for details.

online
not on-line.

on-screen

on-site

organizations, student
Listed here are student organizations that are or have been registered with the University. For details about these organizations, consult the current edition of the undergraduate catalog or contact the Office of Residence Life at 726-2956.

See also fraternities/sororities.

orientation
Do not capitalize when used in a general sense or on second reference. Capitalize only when part of the name of an event or program.