King's was originally situated in Remuera, Auckland, on the site now occupied by King's School, Remuera, in 1922 the school moved to its present site in the South Auckland suburb of Ōtāhuhu.

[9] King's College competes in the 1A Rugby Competition and has won 16 times, most recently in 2019.

The school co-ordinates a service programme which aids the South Auckland community.

The school song of King's College is the Carmen Regale, the melody of which was composed by Dutchman Eduard Kremser and the lyrics were authored by I G G Strachan.

[15] King's College Main Block, and the statue dedicated to former principal Charles Thomas Major are both category 2 historic places.