Mount Stromlo High School
Updated Oct 2026 · ACARA 2025Waramanga, Australian Capital Territory 2611 · Unincorporated ACT LGA
About Mount Stromlo High School
Mount Stromlo High School is a public high school located in Waramanga, Australian Capital Territory (2611), within the Unincorporated ACT local government area. It caters for students from 7 to 10 and in 2025 enrolled 846 students (384 girls and 462 boys).
Mount Stromlo High School has an ICSEA value of 1085, indicating above-average socio-educational advantage. That places it in the 80th percentile of Australian schools. 39% of students come from the top socio-educational quarter and 12% from the bottom quarter.
The school employs 68 teachers (61.9 full-time equivalent) and 33 non-teaching staff, giving a student-to-teacher ratio of about 13.7 to 1. Enrolments have grown by 12% over the past five years.
On the Success Index, Mount Stromlo High School scores 72.6 out of 100, placing it in the top 25% of secondary schools nationally and 14th of 27 secondary schools in ACT (14th of 27 in the Unincorporated ACT area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1085
- Students in the top advantage quarter (15%)39% of students
- Teacher resourcing (students per teacher) (15%)13.7 students per teacher
- Enrolment growth vs local area (5 years) (10%)+12% enrolments since 2020 (area median +8%)
- ICSEA trend (5 years) (10%)+12 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 Mount Stromlo High School's 846 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Mount Stromlo High School have changed over the past decade.
Free academic assessment
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Schools near Mount Stromlo High School
Closest schools by straight-line distance, with their Success Index.
St John Vianney's Primary School
Waramanga · Catholic primary · K-6
159 students · ICSEA 1094 · 347 m away
Arawang Primary School
Waramanga · Government primary · K-6
469 students · ICSEA 1113 · 474 m away
Chapman Primary School
Chapman · Government primary · K-6
502 students · ICSEA 1106 · 1.1 km away
St Jude's Primary School
Holder · Catholic primary · K-6
425 students · ICSEA 1131 · 2.4 km away
Lyons Early Childhood School
Lyons · Government primary · K-2
91 students · ICSEA 1116 · 2.5 km away
Canberra Montessori School
Holder · Independent primary · K-6
96 students · ICSEA 1128 · 2.5 km away
Taylor Primary School
Kambah · Government primary · K-6
286 students · ICSEA 1043 · 2.7 km away
Islamic School of Canberra
Weston · Independent combined · K-11
455 students · ICSEA 1073 · 2.8 km away
St Thomas the Apostle Primary School
Kambah · Catholic primary · K-6
325 students · ICSEA 1082 · 2.9 km away
Duffy Primary School
Duffy · Government primary · K-6
374 students · ICSEA 1088 · 3.0 km away
Similar schools
Government secondary schools in ACT with a comparable ICSEA.
The Canberra College
Phillip · Government high school · 11-12
1,174 students · ICSEA 1087
Melrose High School
Pearce · Government high school · 7-10
776 students · ICSEA 1079
Shirley Smith High School
Kenny · Government high school · 7-8
210 students · ICSEA 1078
Hawker College
Hawker · Government high school · 11-12
605 students · ICSEA 1073
Canberra High School
Macquarie · Government high school · 7-10
898 students · ICSEA 1100
Dickson College
Dickson · Government high school · 7-12
899 students · ICSEA 1101
Frequently asked questions
Is Mount Stromlo High School a public or private school?
Mount Stromlo High School is a public (government) school run by the Australian Capital Territory education department.
What year levels does Mount Stromlo High School offer?
Mount Stromlo High School offers 7 to 10. It is classified by ACARA as a secondary school.
How many students attend Mount Stromlo High School?
In 2025, Mount Stromlo High School had 846 enrolled students (384 girls, 462 boys), a change of 12% over five years.
What is the ICSEA of Mount Stromlo High School?
Mount Stromlo High School has an ICSEA (Index of Community Socio-Educational Advantage) of 1085. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Mount Stromlo High School rank in ACT?
Mount Stromlo High School ranks 14th of 27 secondary schools in Australian Capital Territory on the Success Index (72.6/100), and 219th of 1,472 nationally.
What is the student-to-teacher ratio at Mount Stromlo High School?
Mount Stromlo High School has about 13.7 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Mount Stromlo High School?
In 2025, Mount Stromlo High School had 219 students in Year 7.
Is Mount Stromlo High School co-ed?
Yes. Mount Stromlo High School is a co-educational school enrolling both girls and boys.
What other schools are near Mount Stromlo High School?
There are 10 other schools within 15 km of Mount Stromlo 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 Mount Stromlo High School?
The closest Success Tutoring centre is Success Tutoring Dickson, about 14 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.