Blackwood High School
Updated Oct 2026 · ACARA 2025Eden Hills, South Australia 5050 · Mitcham LGA
About Blackwood High School
Blackwood High School is a public high school located in Eden Hills, South Australia (5050), within the Mitcham local government area. It caters for students from 7 to 12 and in 2025 enrolled 1,211 students (553 girls and 658 boys).
Blackwood High School has an ICSEA value of 1059, indicating above-average socio-educational advantage. That places it in the 72nd percentile of Australian schools. 23% of students come from the top socio-educational quarter and 15% from the bottom quarter.
The school employs 79 teachers (73.1 full-time equivalent) and 40 non-teaching staff, giving a student-to-teacher ratio of about 16.3 to 1. Enrolments have grown by 28% over the past five years.
On the Success Index, Blackwood High School scores 59.5 out of 100, placing it in the top 50% of secondary schools nationally and 25th of 84 secondary schools in SA (6th 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 1059
- Students in the top advantage quarter (15%)23% of students
- Teacher resourcing (students per teacher) (15%)16.3 students per teacher
- Enrolment growth vs local area (5 years) (10%)+28% enrolments since 2020 (area median +20%)
- ICSEA trend (5 years) (10%)-8 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 Blackwood High School's 1,211 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Blackwood High School have changed over the past decade.
Free academic assessment
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Schools near Blackwood High School
Closest schools by straight-line distance, with their Success Index.
Blackwood Primary School
Eden Hills · Government primary · R-6
363 students · ICSEA 1095 · 0 m away
Concordia College (St Peters Campus, Blackwood)
Blackwood · Independent primary · R-6
88 students · ICSEA 1119 · 752 m away
Eden Hills Primary School
Eden Hills · Government primary · R-6
229 students · ICSEA 1116 · 1.2 km away
Bellevue Heights Primary School
Bellevue Heights · Government primary · U, R-6
177 students · ICSEA 1090 · 1.6 km away
Coromandel Valley Primary School
Coromandel Valley · Government primary · R-6
483 students · ICSEA 1097 · 2.0 km away
Hawthorndene Primary School
Hawthorndene · Government primary · R-6
290 students · ICSEA 1108 · 2.8 km away
Flagstaff Hill Primary School
Flagstaff Hill · Government primary · R-6
432 students · ICSEA 1067 · 2.9 km away
Australian Science and Mathematics School
Bedford Park · Government high school · 10-12
419 students · ICSEA 1101 · 3.0 km away
Belair Primary School
Belair · Government primary · R-6
490 students · ICSEA 1117 · 3.0 km away
Craigburn Primary School
Flagstaff Hill · Government primary · R-6
426 students · ICSEA 1074 · 3.4 km away
Similar schools
Government secondary schools in SA with a comparable ICSEA.
Brighton Secondary School
North Brighton · Government high school · 7-12
1,737 students · ICSEA 1071
Henley High School
Henley Beach · Government high school · U, 7-12
1,381 students · ICSEA 1045
Urrbrae Agricultural High School
Netherby · Government high school · 7-12
1,102 students · ICSEA 1074
Morialta Secondary College
Rostrevor · Government high school · U, 7-10
570 students · ICSEA 1075
Marden Senior College
Marden · Government high school · U, 11-12
496 students · ICSEA 1041
Aberfoyle Park High School
Aberfoyle Park · Government high school · 7-12
906 students · ICSEA 1039
Frequently asked questions
Is Blackwood High School a public or private school?
Blackwood High School is a public (government) school run by the South Australia education department.
What year levels does Blackwood High School offer?
Blackwood High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Blackwood High School?
In 2025, Blackwood High School had 1,211 enrolled students (553 girls, 658 boys), a change of 28% over five years.
What is the ICSEA of Blackwood High School?
Blackwood High School has an ICSEA (Index of Community Socio-Educational Advantage) of 1059. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Blackwood High School rank in SA?
Blackwood High School ranks 25th of 84 secondary schools in South Australia on the Success Index (59.5/100), and 526th of 1,472 nationally.
What is the student-to-teacher ratio at Blackwood High School?
Blackwood High School has about 16.3 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Blackwood High School?
In 2025, Blackwood High School had 182 students in Year 7 and 200 in Year 12.
Is Blackwood High School co-ed?
Yes. Blackwood High School is a co-educational school enrolling both girls and boys.
What other schools are near Blackwood High School?
There are 10 other schools within 15 km of Blackwood 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 Blackwood High School?
The closest Success Tutoring centre is Success Tutoring Windsor Gardens, about 18 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.