Glenunga International High School
Updated Oct 2026 · ACARA 2025Glenunga, South Australia 5064 · Burnside LGA
About Glenunga International High School
Glenunga International High School is a public high school located in Glenunga, South Australia (5064), within the Burnside local government area. It caters for students from 7 to 12 and in 2025 enrolled 2,340 students (1,085 girls and 1,255 boys).
Glenunga International High School has an ICSEA value of 1153, indicating exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. That places it in the 96th percentile of Australian schools. 60% of students come from the top socio-educational quarter and 2% from the bottom quarter.
The school employs 211 teachers (157.2 full-time equivalent) and 50 non-teaching staff, giving a student-to-teacher ratio of about 14.9 to 1. Enrolments have grown by 27% over the past five years.
On the Success Index, Glenunga International High School scores 80.9 out of 100, placing it in the top 5% of secondary schools nationally and 3rd of 84 secondary schools in SA (1st of 2 in the Burnside area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1153
- Students in the top advantage quarter (15%)60% of students
- Teacher resourcing (students per teacher) (15%)14.9 students per teacher
- Enrolment growth vs local area (5 years) (10%)+27% enrolments since 2020
- ICSEA trend (5 years) (10%)+11 ICSEA points since 2020
The Success Index summarises the academic environment of a school community using official ACARA data. It is not a measure of teaching quality or student results. Read the methodology.
Student profile
Distribution of students across socio-educational advantage (SEA) quarters, plus community characteristics.
Enrolments by year level
How Glenunga International High School's 2,340 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Glenunga International High School have changed over the past decade.
Free academic assessment
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Schools near Glenunga International High School
Closest schools by straight-line distance, with their Success Index.
Glen Osmond Primary School
Myrtle Bank · Government primary · R-6
363 students · ICSEA 1143 · 878 m away
Linden Park Primary School
Linden Park · Government primary · R-6
981 students · ICSEA 1160 · 964 m away
St Raphael's School
Parkside · Catholic primary · R-6
96 students · ICSEA 1048 · 1.2 km away
Seymour College
Glen Osmond · Independent combined · R-12
715 students · ICSEA 1150 · 1.2 km away
Sunrise Christian School Fullarton
Fullarton · Independent primary · R-6
175 students · ICSEA 1133 · 1.3 km away
St Patrick's Special School
Dulwich · Catholic special · U
51 students · ICSEA 1115 · 1.4 km away
Parkside Primary School
Parkside · Government primary · R-6
331 students · ICSEA 1126 · 1.5 km away
Highgate School
Highgate · Government primary · U, R-6
616 students · ICSEA 1150 · 1.9 km away
Concordia College
Highgate · Independent combined · R-12
1,312 students · ICSEA 1140 · 1.9 km away
Rose Park Primary School
Rose Park · Government primary · R-6
525 students · ICSEA 1162 · 2.1 km away
Similar schools
Government secondary schools in SA with a comparable ICSEA.
Marryatville High School
Marryatville · Government high school · 7-12
1,759 students · ICSEA 1120
Adelaide Botanic High School
Adelaide · Government high school · 7-12
1,258 students · ICSEA 1103
Australian Science and Mathematics School
Bedford Park · Government high school · 10-12
419 students · ICSEA 1101
Adelaide High School
Adelaide · Government high school · U, 7-12
1,821 students · ICSEA 1094
Norwood International High School
Magill · Government high school · 7-12
1,667 students · ICSEA 1090
Heathfield High School
Heathfield · Government high school · 7-12
970 students · ICSEA 1086
Frequently asked questions
Is Glenunga International High School a public or private school?
Glenunga International High School is a public (government) school run by the South Australia education department.
What year levels does Glenunga International High School offer?
Glenunga International High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Glenunga International High School?
In 2025, Glenunga International High School had 2,340 enrolled students (1,085 girls, 1,255 boys), a change of 27% over five years.
What is the ICSEA of Glenunga International High School?
Glenunga International High School has an ICSEA (Index of Community Socio-Educational Advantage) of 1153. The national average is 1000, so this indicates exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. ICSEA reflects the school community, not teaching quality.
How does Glenunga International High School rank in SA?
Glenunga International High School ranks 3rd of 84 secondary schools in South Australia on the Success Index (80.9/100), and 56th of 1,472 nationally.
What is the student-to-teacher ratio at Glenunga International High School?
Glenunga International High School has about 14.9 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Glenunga International High School?
In 2025, Glenunga International High School had 407 students in Year 7 and 379 in Year 12.
Is Glenunga International High School co-ed?
Yes. Glenunga International High School is a co-educational school enrolling both girls and boys.
What other schools are near Glenunga International High School?
There are 10 other schools within 15 km of Glenunga International High School in our database. Scroll up to the "Nearby schools" section to compare them by Success Index, ICSEA and enrolments, or use the Compare tool.
Where can I get tutoring near Glenunga International High School?
The closest Success Tutoring centre is Success Tutoring Windsor Gardens, about 9.5 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.