It was called Raumati District High School when built in 1954, then renamed Kapiti College in 1957.

The Kapiti College motto is "Semper Fidelis" which translates to "Always Faithful".

[citation needed] The roll is 1,453[1] in November 2024, including international students.

Kāpiti College is a Decile 8 school, meaning the majority of its students are from above average socio-economic status.

Its students come from a wide range of backgrounds and includes a Māori proportion of 19 percent.