Campbell was educated at Tamworth High School.
He attended the International Science School at Sydney University in January 1965 [1].
As an undergraduate he studied at the University of Sydney, where he attained honours in Arts and Law.
[2] On 26 October 2001, Campbell was sworn in as a judge of the Supreme Court of New South Wales.
[2] From 1983 to 1986, Campbell was the Challis Lecturer in Bankruptcy at the University of Sydney.