Alesco Secondary College
Special school in Cooks Hill, NSW
About Alesco Secondary College
Alesco Secondary College is a independent special school located in Cooks Hill, Sydney's North Shore. The school offers education for students from 9-12.
With 664 students enrolled in 2025 and an ICSEA score of 949 (24th percentile), the school serves a community with above-average socio-educational advantage. The student-to-teacher ratio of 11:1 supports quality learning outcomes.
Contact & Location
- Location Cooks Hill, NSW 2300
- Website atwea.edu.au/high-school-at-alesco
- MySchool View Profile
School Details
- Type Independent
- Level Special (9-12)
- Gender Co-educational
- Students (2025) 664 enrolled
- Teaching Staff 82 (63.2 FTE)
- Non-Teaching Staff 79 (42.6 FTE)
- ICSEAIndex of Community Socio-Educational Advantage – measures the socio-educational background of students. Based on parents' occupation, education, and school location. National average is 1000. 949 (24th percentile)
- Indigenous Students 19%
Student Demographics
Gender
Boys: 203 (31%)
Girls: 461 (69%)
Language Background
LBOTE: 0%Language Background Other Than English – students who speak a language other than English at home.
English only: 100%
ICSEA DistributionIndex of Community Socio-Educational Advantage – shows the distribution of students across socio-educational quarters. Based on parents' occupation, education, and school location. National average is 1000.
Bottom 49%
Lower 28%
Upper 15%
Top 8%