Overview
Lake Illawarra High School is a government secondary school in Lake Illawarra, New South Wales, serving 7-12. The school has 542 enrolled students. Its ICSEA value is 894 (well below average). The student-to-teacher ratio is 10.1:1. The school is located in a SEIFA IRSD decile 1 area.
Source: ACARA School Profile 2025 (2025)
Key Facts
SectorGovernment
School TypeSecondary
Year Range7-12
Governing BodyNSW Department of Education
Postcode2528
LGAShellharbour
RemotenessMajor Cities
ACARA ID42924
Student Background
Total Enrolments542
Gender Split260 girls / 282 boys
Indigenous Students23%
Language Background Other Than English10%
English Background90%
Socio-Educational Advantage Distribution
Source: ACARA School Profile (2025)
Enrolment by Year Level
542 students across 6 year levels (2025)
Yr 787
Yr 8111
Yr 9103
Yr 10121
Yr 1167
Yr 1253
Source: ACARA Enrolments by Grade (2025)
Staffing
Teaching Staff53 (53.6 FTE)
Non-Teaching Staff25 (17.7 FTE)
Total Staff78
Student:Teacher Ratio10.1:1
Source: ACARA School Profile (2025)