[2] The first warden of the new institute was John Nurser (1968-1974), an Englishman who had previously been Dean of Trinity Hall, Cambridge and would go on to be the head of Lincoln Theological College.

[9] The membership of these two colleges in the CSU School of Theology is notable, given the more Evangelical inclinations of St Mark's and the Anglican Diocese of Canberra and Goulburn, as against the Progressive Christianity embraced by UTC and the Uniting Church in Australia, Synod of New South Wales and the ACT.

Its courses in the higher education sector are offered through its partnership with Charles Sturt University's (CSU) School of Theology.

[11][12] The Canberra campus is home to St Mark's National Memorial Library which was established in 1957 by Bishop Ernest Burgmann and is now estimated at around 100,000 items.

The ACCC itself is located on the site of the intended national Anglican church, at one stage proposed to be a cathedral, and dedicated as St Mark's in 1927.