Unley High School
Updated Oct 2026 · ACARA 2025Netherby, South Australia 5062 · Mitcham LGA
About Unley High School
Unley High School is a public high school located in Netherby, South Australia (5062), within the Mitcham local government area. It caters for students from 7 to 12 and in 2025 enrolled 1,547 students (665 girls and 882 boys).
Unley High School has an ICSEA value of 1084, indicating above-average socio-educational advantage. That places it in the 80th percentile of Australian schools. 34% of students come from the top socio-educational quarter and 11% from the bottom quarter.
The school employs 114 teachers (106.7 full-time equivalent) and 45 non-teaching staff, giving a student-to-teacher ratio of about 14.4 to 1. Enrolments have grown by 25% over the past five years.
On the Success Index, Unley High School scores 68.2 out of 100, placing it in the top 25% of secondary schools nationally and 18th of 84 secondary schools in SA (3rd of 6 in the Mitcham area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1084
- Students in the top advantage quarter (15%)34% of students
- Teacher resourcing (students per teacher) (15%)14.4 students per teacher
- Enrolment growth vs local area (5 years) (10%)+25% enrolments since 2020 (area median +20%)
- ICSEA trend (5 years) (10%)+2 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 Unley High School's 1,547 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Unley High School have changed over the past decade.
Free academic assessment
Is your child on track at Unley High School?
Rankings tell you about a school community. A free Success Tutoring assessment tells you about your child: exactly where they are in English and Maths, where the gaps are, and a plan to close them. Small-group, Australian-curriculum tutoring with no lock-in contracts.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Your nearest centre: Success Tutoring Windsor Gardens
Schools near Unley High School
Closest schools by straight-line distance, with their Success Index.
Mitcham Primary School
Kingswood · Government primary · R-6
629 students · ICSEA 1121 · 477 m away
Urrbrae Agricultural High School
Netherby · Government high school · 7-12
1,102 students · ICSEA 1074 · 579 m away
St Joseph's School
Kingswood · Catholic primary · R-6
256 students · ICSEA 1135 · 581 m away
Highgate School
Highgate · Government primary · U, R-6
616 students · ICSEA 1150 · 845 m away
Mitcham Girls High School
Kingswood · Government high school · 7-12
754 students · ICSEA 1083 · 939 m away
Mercedes College
Springfield · Catholic combined · R-12
1,111 students · ICSEA 1133 · 1.0 km away
Concordia College
Highgate · Independent combined · R-12
1,312 students · ICSEA 1140 · 1.2 km away
Scotch College
Torrens Park · Independent combined · R-12
1,213 students · ICSEA 1146 · 1.5 km away
Sunrise Christian School Fullarton
Fullarton · Independent primary · R-6
175 students · ICSEA 1133 · 1.7 km away
Walford Anglican School for Girls
Hyde Park · Independent combined · R-12
400 students · ICSEA 1162 · 1.8 km away
Similar schools
Government secondary schools in SA with a comparable ICSEA.
Mitcham Girls High School
Kingswood · Government high school · 7-12
754 students · ICSEA 1083
Heathfield High School
Heathfield · Government high school · 7-12
970 students · ICSEA 1086
Norwood International High School
Magill · Government high school · 7-12
1,667 students · ICSEA 1090
Morialta Secondary College
Rostrevor · Government high school · U, 7-10
570 students · ICSEA 1075
Adelaide High School
Adelaide · Government high school · U, 7-12
1,821 students · ICSEA 1094
Urrbrae Agricultural High School
Netherby · Government high school · 7-12
1,102 students · ICSEA 1074
Frequently asked questions
Is Unley High School a public or private school?
Unley High School is a public (government) school run by the South Australia education department.
What year levels does Unley High School offer?
Unley High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Unley High School?
In 2025, Unley High School had 1,547 enrolled students (665 girls, 882 boys), a change of 25% over five years.
What is the ICSEA of Unley High School?
Unley High School has an ICSEA (Index of Community Socio-Educational Advantage) of 1084. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Unley High School rank in SA?
Unley High School ranks 18th of 84 secondary schools in South Australia on the Success Index (68.2/100), and 324th of 1,472 nationally.
What is the student-to-teacher ratio at Unley High School?
Unley High School has about 14.4 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Unley High School?
In 2025, Unley High School had 249 students in Year 7 and 239 in Year 12.
Is Unley High School co-ed?
Yes. Unley High School is a co-educational school enrolling both girls and boys.
What other schools are near Unley High School?
There are 10 other schools within 15 km of Unley 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 Unley High School?
The closest Success Tutoring centre is Success Tutoring Windsor Gardens, about 12 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.