Illawarra Christian School (ICS) is a co-educational Christian parent-controlled school in Cordeaux Heights, Wollongong, New South Wales, Australia that was established in 1982 and it offers from Preschool to Year 12 education.

The school currently caters for more than 650 students across all years.

In 2008, Simon Lainson was appointed the third principal of the school.

[4] Illawarra Christian School currently has a sister school operated by Illawarra Christian Education:

This article related to a New South Wales school is a stub.