18-Year Profile (2008–2025)
Historical profile data for Mosman High School from 2008 to 2025. ICSEA has fallen by 35 points over this period. Total enrolment has grown by 319 students.
ICSEA 20081161
ICSEA 20251126-35
Enrolment 2008768
Enrolment 20251087+319
Key Metrics Over Time
Total Enrolments
1,087
↑
ICSEA Score
1126
↓
ICSEA Percentile
91th
↓
Student:Teacher Ratio
14.4:1
↑
Indigenous Students
0.0%
→
LBOTE Students
43.0%
↑
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%
Upper13%
Top84%
2017
Bottom2%
Lower10%
Upper27%
Top61%
2025
Bottom3%
Lower14%
Upper33%
Top50%
Top Quarter trend (2008–2025)
↓
Source: ACARA School Profile 2008–2025
Year-by-Year Data
YearEnrolmentsICSEAST RatioIndigenousLBOTE
20251,087112614.4:10%43%
20241,022113113.8:11%40%
20231,027112514.6:10%40%
20221,012112514.8:10%37%
20211,062112614.9:11%36%
20201,063112814.6:10%36%
20191,102112314.9:10%36%
20181,106113215:10%34%
20171,070113815.1:10%33%
20161,057114115:10%32%
20151,028114114.5:10%30%
20141,029114914.8:10%30%
2013961114614.6:10%28%
2012901115514.4:10%30%
2011873115214.4:10%28%
2010839114814:10%28%
2009781116113.4:10%20%
2008768116113.3:10%9%
Source: ACARA School Profile 2008–2025