IndependentSpecialYears 9-12· Major Cities
Alesco Secondary College
Cooks Hill, NSW 2300 · Independent Schools NSW
Visit school websiteICSEA
949
24th percentile nationally
Below averageTotal 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%
Other schools in Cooks Hill
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.