18-Year Profile (2008–2025)
Historical profile data for Chatswood High School from 2008 to 2025. ICSEA has fallen by 21 points over this period. Total enrolment has grown by 1127 students.
ICSEA 20081158
ICSEA 20251137-21
Enrolment 20081020
Enrolment 20252147+1127
Key Metrics Over Time
Total Enrolments
2,147
↑
ICSEA Score
1137
↓
ICSEA Percentile
93th
↓
Student:Teacher Ratio
15.6:1
↑
Indigenous Students
0.0%
→
LBOTE Students
81.0%
↑
Source: ACARA School Profile 2008–2025
Community Composition Shift
How the school's socio-educational advantage distribution has shifted over time. Each bar shows the % of students in each SEA quarter.
2008
Bottom1%
Lower2%
Upper14%
Top83%
2017
Bottom6%
Lower13%
Upper29%
Top53%
2025
Bottom3%
Lower12%
Upper32%
Top54%
Top Quarter trend (2008–2025)
↓
Source: ACARA School Profile 2008–2025
Year-by-Year Data
YearEnrolmentsICSEAST RatioIndigenousLBOTE
20252,147113715.6:10%81%
20241,977113515.2:10%80%
20231,830113315.2:10%80%
20221,688113114.8:10%78%
20211,628112514.4:10%78%
20201,565111912.8:10%79%
20191,575112013.7:10%80%
20181,513111313.1:10%80%
20171,505111613.3:10%80%
20161,440110813.2:10%79%
20151,368111312.7:10%78%
20141,388111113.2:10%78%
20131,342112713:10%72%
20121,306115213.2:10%73%
20111,228115013.5:10%70%
20101,097115612.8:10%67%
20091,053115812.2:10%54%
20081,020115812.2:10%40%
Source: ACARA School Profile 2008–2025