Wilderness School
Updated Oct 2026 · ACARA 2025Medindie, South Australia 5081 · Walkerville LGA
About Wilderness School
Wilderness School is an independent girls' combined (K–12) school located in Medindie, South Australia (5081), within the Walkerville local government area. It caters for students from R to 12 and in 2025 enrolled 856 students. The school is affiliated with Association of Independent Schools of SA.
Wilderness School has an ICSEA value of 1176, indicating exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. That places it in the 98th percentile of Australian schools. 70% of students come from the top socio-educational quarter and 1% from the bottom quarter.
The school employs 93 teachers (77.4 full-time equivalent) and 59 non-teaching staff, giving a student-to-teacher ratio of about 11.1 to 1. Enrolments have grown by 5% over the past five years.
On the Success Index, Wilderness School scores 83.0 out of 100, placing it in the top 5% of combined schools nationally and 4th of 145 combined schools in SA.
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1176
- Students in the top advantage quarter (15%)70% of students
- Teacher resourcing (students per teacher) (15%)11.1 students per teacher
- Enrolment growth vs local area (5 years) (10%)+5% enrolments since 2020
- ICSEA trend (5 years) (10%)+7 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 Wilderness School's 856 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Wilderness School have changed over the past decade.
Free academic assessment
Is your child on track at Wilderness School?
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Schools near Wilderness School
Closest schools by straight-line distance, with their Success Index.
Walkerville Primary School
Walkerville · Government primary · R-6
548 students · ICSEA 1139 · 562 m away
St Andrew's School
Walkerville · Independent primary · R-6
376 students · ICSEA 1191 · 877 m away
North Adelaide Primary School
North Adelaide · Government primary · R-6
296 students · ICSEA 1144 · 1.2 km away
Prescott College
Prospect · Independent high school · 7-12
206 students · ICSEA 1016 · 1.3 km away
Blackfriars Priory School
Prospect · Catholic combined · R-12
786 students · ICSEA 1037 · 1.3 km away
St Monica's Parish School
Walkerville · Catholic primary · R-6
192 students · ICSEA 1102 · 1.4 km away
Nailsworth Primary School
Nailsworth · Government primary · R-6
548 students · ICSEA 1106 · 1.8 km away
East Adelaide School
St Peters · Government primary · R-6
495 students · ICSEA 1117 · 1.9 km away
Adelaide Botanic High School
Adelaide · Government high school · 7-12
1,258 students · ICSEA 1103 · 2.1 km away
Vale Park Primary School
Vale Park · Government primary · R-6
393 students · ICSEA 1097 · 2.2 km away
Similar schools
Independent combined schools in SA with a comparable ICSEA.
Dara School
Morphettville · Independent combined · R-10
93 students · ICSEA 1176
St Peter's Collegiate Girls' School
Stonyfell · Independent combined · R-12
873 students · ICSEA 1180
Pembroke School
Kensington Park · Independent combined · R-12
1,672 students · ICSEA 1171
Pulteney Grammar School
Adelaide · Independent combined · R-12
839 students · ICSEA 1170
St Peter's College
St Peters · Independent combined · R-12
1,585 students · ICSEA 1164
Walford Anglican School for Girls
Hyde Park · Independent combined · R-12
400 students · ICSEA 1162
Frequently asked questions
Is Wilderness School a public or private school?
Wilderness School is a Independent school, which makes it a non-government (private) school affiliated with Association of Independent Schools of SA.
What year levels does Wilderness School offer?
Wilderness School offers R to 12. It is classified by ACARA as a combined school.
How many students attend Wilderness School?
In 2025, Wilderness School had 856 enrolled students (856 girls, 0 boys), a change of 5% over five years.
What is the ICSEA of Wilderness School?
Wilderness School has an ICSEA (Index of Community Socio-Educational Advantage) of 1176. 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 Wilderness School rank in SA?
Wilderness School ranks 4th of 145 combined schools in South Australia on the Success Index (83.0/100), and 63rd of 1,259 nationally.
What is the student-to-teacher ratio at Wilderness School?
Wilderness School has about 11.1 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Wilderness School?
In 2025, Wilderness School had 89 students in Year 7 and 95 in Year 12.
Is Wilderness School co-ed?
No. Wilderness School is a girls' school.
What other schools are near Wilderness School?
There are 10 other schools within 15 km of Wilderness 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 Wilderness School?
The closest Success Tutoring centre is Success Tutoring Windsor Gardens, about 5.3 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.