The Illawarra Grammar School — Trends (2008–2025) — Wollongong West, NSW

18-Year Profile (2008–2025)

Historical profile data for The Illawarra Grammar School from 2008 to 2025. ICSEA has risen by 42 points over this period. Total enrolment has declined by 33 students.

ICSEA 20081117

ICSEA 20251159+42

Enrolment 20081003

Enrolment 2025970-33

Key Metrics Over Time

Total Enrolments

970

↓

2008–2025-33 (-3.3%)

ICSEA Score

1159

↑

2008–2025+42 (3.8%)

ICSEA Percentile

96th

↑

2008–2025+6th (6.7%)

Student:Teacher Ratio

9.7:1

↓

2008–2025-1.8:1 (-15.7%)

Indigenous Students

2.0%

↑

2008–2025+2.0% (Infinity%)

LBOTE Students

36.0%

↑

2009–2025+21.0% (140.0%)

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

Bottom2%

Lower8%

Upper26%

Top64%

2017

Bottom3%

Lower9%

Upper21%

Top67%

2025

Bottom2%

Lower9%

Upper25%

Top64%

Top Quarter trend (2008–2025)

→

Source: ACARA School Profile 2008–2025

Year-by-Year Data

YearEnrolmentsICSEAST RatioIndigenousLBOTE

202597011599.7:12%36%

2024933115610.5:12%35%

2023906115411:12%31%

2022832115910.4:12%28%

2021775114710.2:12%25%

202078611549.2:12%24%

201977711568.7:12%19%

201882011518.7:12%19%

201786111488.8:12%17%

201693011529.8:12%18%

201592711469.7:11%24%

2014970114910.7:11%23%

2013958115410.9:11%22%

2012938116010.3:11%20%

2011967117411.2:11%19%

2010968117411.5:10%18%

2009965111711.8:11%15%

20081,003111711.5:10%—

Source: ACARA School Profile 2008–2025