Central Coast Grammar School — Trends (2008–2025) — Erina Heights, NSW

18-Year Profile (2008–2025)

Historical profile data for Central Coast Grammar School from 2008 to 2025. ICSEA has risen by 69 points over this period. Total enrolment has grown by 381 students.

ICSEA 20081086

ICSEA 20251155+69

Enrolment 20081180

Enrolment 20251561+381

Key Metrics Over Time

Total Enrolments

1,561

↑

2008–2025+381 (32.3%)

ICSEA Score

1155

↑

2008–2025+69 (6.4%)

ICSEA Percentile

96th

↑

2008–2025+12th (14.3%)

Student:Teacher Ratio

11.6:1

↑

2008–2025+0.8:1 (7.4%)

Indigenous Students

2.0%

↑

2008–2025+2.0% (Infinity%)

LBOTE Students

16.0%

↑

2008–2025+7.0% (77.8%)

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%

Lower13%

Upper34%

Top51%

2017

Bottom2%

Lower8%

Upper25%

Top66%

2025

Bottom2%

Lower10%

Upper26%

Top62%

Top Quarter trend (2008–2025)

↑

Source: ACARA School Profile 2008–2025

Year-by-Year Data

YearEnrolmentsICSEAST RatioIndigenousLBOTE

20251,561115511.6:12%16%

20241,521115311.4:12%17%

20231,472114711.1:11%17%

20221,405115411:11%17%

20211,359115310.8:11%16%

20201,296115410.8:11%15%

20191,282115111.4:11%14%

20181,252114711.2:11%11%

20171,252115511.4:11%9%

20161,240116311.5:11%8%

20151,176115611.3:11%7%

20141,132116311.3:11%5%

20131,141115711.2:11%4%

20121,122114211:11%3%

20111,150114410.8:10%4%

20101,142114710.8:10%4%

20091,143108611:10%7%

20081,180108610.8:10%9%

Source: ACARA School Profile 2008–2025