18-Year Profile (2008–2025)
Historical profile data for Chatham High School from 2008 to 2025. ICSEA has fallen by 114 points over this period. Total enrolment has declined by 316 students.
ICSEA 2008928
ICSEA 2025814-114
Enrolment 2008809
Enrolment 2025493-316
Key Metrics Over Time
Total Enrolments
493
↓
ICSEA Score
814
↓
ICSEA Percentile
3th
↓
Student:Teacher Ratio
9.2:1
↓
Indigenous Students
47.0%
↑
LBOTE Students
5.0%
↑
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
Bottom34%
Lower24%
Upper35%
Top7%
2017
Bottom71%
Lower21%
Upper6%
Top1%
2025
Bottom75%
Lower19%
Upper5%
Top1%
Top Quarter trend (2008–2025)
↓
Source: ACARA School Profile 2008–2025
Year-by-Year Data
YearEnrolmentsICSEAST RatioIndigenousLBOTE
20254938149.2:147%5%
20245188249.6:148%5%
20234918219.1:145%4%
20225318289.7:141%3%
20215148279.1:140%3%
20205218409.2:138%3%
201956984410:135%2%
201856985810.5:132%3%
201758485710.4:129%2%
201665187211.3:125%2%
201566288111.5:122%2%
201464487411.3:122%3%
201365787211.5:121%3%
201265888411.5:120%3%
201172388112.4:121%2%
201073988612.4:118%3%
200974292811.9:116%2%
200880992812.6:117%0%
Source: ACARA School Profile 2008–2025