Schools in Castlereagh
Castlereagh, NSW · 3 schools · SEIFA IRSD Decile 4
995
Avg ICSEA
Average
456total students
2Government
1Independent
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Suburb Overview
Schools
3
Total Students
456
Avg ICSEA
995
Avg Ratio
1:16.5
Avg Indigenous
10.5%
Avg LBOTE
17.5%
Sector Distribution
Government2 (67%)
Independent1 (33%)
Combined (2)Primary (1)
ICSEA Distribution
1100+0
1050–10990
1000–10491
950–9991
900–9490
<9000
National average ICSEA: 1000
3 schools in Castlereagh
The Lakes Christian College
IndependentCombinedYrs K-12
330
Students
1022
ICSEA
1:13.7
Ratio
Castlereagh Public School
GovernmentPrimaryYrs K-6
126
Students
968
ICSEA
1:19.4
Ratio
Penrith Lakes Environmental Education Centre
GovernmentCombined
Source: ACARA School Profile (2025), ABS SEIFA (2021)