(US) Pertaining to facilities or activities regularly utilized by the faculty or students of an educational institution that are located on the campus.
Wiktionary
(US) Pertaining to a student of an educational institution who resides on the campus.
Wiktionary
adverb
(US) Engaging in an activity by a faculty member or a student of an educational institution on the campus.
Wiktionary
On-campus Sentence Examples
Students felt most fearful of having their property stolen on campus at night.
The pc clusters on campus are provided with networked high volume printers.
Do you want to get involved with promoting interfaith on campus?
A coin operated launderette is located on campus for the use of resident students.
Local accommodation can be found, either on campus or in the close vicinity.