AustraliaVICCranbourne NorthCourtenay Gardens Primary School

Courtenay Gardens Primary School

GovernmentPrimaryPrep-6
Cranbourne North, VIC 3977 · Major Cities
03 5995 7139
Students750enrolled
Ratio1:12.6student:teacher
SEIFA5/10advantage decile
Community Profile
998
ICSEA (-2 vs avg)
SEA Top ¼10%
SEA Bottom ¼36%
SEIFA Decile5/10
Indigenous2%
LBOTE66%
Courtenay Gardens

Socio-Educational Advantage — ICSEA

ICSEA (Index of Community Socio-Educational Advantage) measures the socio-educational profile of this school's community — not the school itself. The national average is 1,000. It is calculated from parental occupation, parental education, geographic remoteness, and Indigenous enrolment proportion.

ICSEA Score998
800 (most disadvantaged)Around average1200 (most advantaged)
SEIFA IRSD Decile
5/10
around the median nationally
SEIFA IRSD Score
960
Area-level index (ABS 2021)
ICSEA: ACARA (2025). SEIFA: ABS Census 2021.

Community Composition

Courtenay Gardens Primary School's community composition is broadly balanced across socio-educational quarters, reflecting a relatively diverse intake compared to many Australian schools.

The chart below shows the proportion of students at Courtenay Gardens Primary School from each socio-educational advantage quarter nationally. The white reference line marks 25% — the expected value if students were distributed evenly across quarters. Deviation from 25% in any quarter indicates a skewed community intake. The school draws predominantly from the lower half.

Top quarter
-15pp below avg10%
National average: 25% in each quarter
Upper middle
0pp below avg25%
National average: 25% in each quarter
Lower middle
+4pp above avg29%
National average: 25% in each quarter
Bottom quarter
+11pp above avg36%
National average: 25% in each quarter
Source: ACARA (2025). National average: 25% per quarter.

Why Community Composition Matters

ICSEA is not a quality ranking

ICSEA measures the community a school serves — not how well the school teaches. Two schools with identical ICSEA scores can have dramatically different teaching quality, culture, and outcomes. ICSEA is context, not verdict.

Always compare like with like

Comparing NAPLAN results between schools with different ICSEA scores is comparing communities, not schools. For meaningful comparison, look at schools within 30–40 points of each other on the ICSEA scale.

The composition shift over time

A school's community composition can shift significantly as a suburb gentrifies or a catchment area changes. A school that was below average in ICSEA a decade ago may now be serving a very different community — and vice versa.

SEIFA supplements ICSEA

SEIFA IRSD measures the geographic area around the school (from Census data). It provides a complementary view — especially useful for understanding schools in gentrifying or rapidly changing neighbourhoods where ICSEA may lag behind the on-the-ground reality.