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Independent schoolCombined Years K-12Co-edMajor Cities

Illawarra Christian School

Updated Oct 2026 · ACARA 2025Cordeaux Heights, New South Wales 2526 · Wollongong LGA

60.9/ 100
Success Index
Top 50%

#137 of 314 combined schools in NSW
#447 of 1,259 nationally

How is this calculated?
Students
800
+30% over 5 years
ICSEA
1091
82nd percentile nationally
Students per teacher
13.6
58.8 FTE teachers
Year range
K-12

About Illawarra Christian School

Illawarra Christian School is an independent combined (K–12) school located in Cordeaux Heights, New South Wales (2526), within the Wollongong local government area. It caters for students from K to 12 and in 2025 enrolled 800 students (428 girls and 372 boys). The school is affiliated with Independent Schools NSW.

Illawarra Christian School has an ICSEA value of 1091, indicating above-average socio-educational advantage. That places it in the 82nd percentile of Australian schools. 37% of students come from the top socio-educational quarter and 6% from the bottom quarter.

The school employs 71 teachers (58.8 full-time equivalent) and 61 non-teaching staff, giving a student-to-teacher ratio of about 13.6 to 1. Enrolments have grown by 30% over the past five years.

On the Success Index, Illawarra Christian School scores 60.9 out of 100, placing it in the top 50% of combined schools nationally and 137th of 314 combined schools in NSW (3rd of 5 in the Wollongong area).

Success Index breakdown

Each component is a percentile against schools of the same type across Australia.

  • Socio-educational advantage (ICSEA) (50%)ICSEA 1091
  • Students in the top advantage quarter (15%)37% of students
  • Teacher resourcing (students per teacher) (15%)13.6 students per teacher
  • Enrolment growth vs local area (5 years) (10%)+30% enrolments since 2020 (area median +25%)
  • ICSEA trend (5 years) (10%)-6 ICSEA points since 2020

The Success Index summarises the academic environment of a school community using official ACARA data. It is not a measure of teaching quality or student results. Read the methodology.

Student profile

Distribution of students across socio-educational advantage (SEA) quarters, plus community characteristics.

Illawarra Christian School
Bottom quarterLower middleUpper middleTop quarter
Girls
428
Boys
372
Language background other than English
30%
Indigenous students
2%

Enrolments by year level

How Illawarra Christian School's 800 students are spread across year levels in 2025.

Kindergarten intake
48
Year 7 cohort
81
Year 12 cohort
64

Enrolment trend

How enrolments at Illawarra Christian School have changed over the past decade.

5086748402015: 564 students2016: 567 students2017: 565 students2018: 575 students2019: 582 students2020: 615 students2021: 618 students2022: 656 students2023: 697 students2024: 737 students2025: 800 students201520172019202120232025
Total enrolments by year. Source: ACARA school profile data.

Free academic assessment

Is your child on track at Illawarra Christian School?

Rankings tell you about a school community. A free Success Tutoring assessment tells you about your child: exactly where they are in English and Maths, where the gaps are, and a plan to close them. Small-group, Australian-curriculum tutoring with no lock-in contracts.

  • Personalised learning plan mapped to the Australian Curriculum
  • English & Maths from Kindergarten to Year 12
  • Flexible memberships, no lock-in contracts
  • Your nearest centre: Success Tutoring Campbelltown

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Schools near Illawarra Christian School

Closest schools by straight-line distance, with their Success Index.

Similar schools

Independent combined schools in NSW with a comparable ICSEA.

Frequently asked questions

Is Illawarra Christian School a public or private school?

Illawarra Christian School is a Independent school, which makes it a non-government (private) school affiliated with Independent Schools NSW.

What year levels does Illawarra Christian School offer?

Illawarra Christian School offers K to 12. It is classified by ACARA as a combined school.

How many students attend Illawarra Christian School?

In 2025, Illawarra Christian School had 800 enrolled students (428 girls, 372 boys), a change of 30% over five years.

What is the ICSEA of Illawarra Christian School?

Illawarra Christian School has an ICSEA (Index of Community Socio-Educational Advantage) of 1091. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.

How does Illawarra Christian School rank in NSW?

Illawarra Christian School ranks 137th of 314 combined schools in New South Wales on the Success Index (60.9/100), and 447th of 1,259 nationally.

What is the student-to-teacher ratio at Illawarra Christian School?

Illawarra Christian School has about 13.6 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.

How big is the Year 7 cohort at Illawarra Christian School?

In 2025, Illawarra Christian School had 81 students in Year 7 and 64 in Year 12.

Is Illawarra Christian School co-ed?

Yes. Illawarra Christian School is a co-educational school enrolling both girls and boys.

What other schools are near Illawarra Christian School?

There are 10 other schools within 15 km of Illawarra Christian School in our database. Scroll up to the "Nearby schools" section to compare them by Success Index, ICSEA and enrolments, or use the Compare tool.

Where can I get tutoring near Illawarra Christian School?

The closest Success Tutoring centre is Success Tutoring Campbelltown, about 41 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.