IndependentSpecialYears 9-12· Major Cities

Alesco Secondary College

Cooks Hill, NSW 2300 · Independent Schools NSW

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ICSEA

949

24th percentile nationally

Below average

Total enrolments

664

Special

Student–teacher ratio

11:1

63.2 FTE teachers

Gender mix

69% / 31%

girls / boys

Language background

0%

non-English at home

Socio-educational advantage

Share of students in each national SEA quarter (bottom = most disadvantaged, top = most advantaged).

Bottom: 49%
Lower-mid: 28%
Upper-mid: 15%
Top: 8%

Source: ACARA My School 2025. ICSEA reflects the socio-educational background of a school's students — not academic results or teaching quality. National average = 1000. See data sources.