Conservatorium High School
Updated Oct 2026 · ACARA 2025Sydney, New South Wales 2000 · Sydney LGA
About Conservatorium High School
Conservatorium High School is a public high school located in Sydney, New South Wales (2000), within the Sydney local government area. It caters for students from 7 to 12 and in 2025 enrolled 156 students (81 girls and 75 boys).
Conservatorium High School has an ICSEA value of 1194, indicating exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. That places it in the 99th percentile of Australian schools. 72% of students come from the top socio-educational quarter and 0% from the bottom quarter.
The school employs 16 teachers (20.0 full-time equivalent) and 4 non-teaching staff, giving a student-to-teacher ratio of about 7.7 to 1. Enrolments have remained steady over the past five years.
On the Success Index, Conservatorium High School scores 86.3 out of 100, placing it in the top 5% of secondary schools nationally and 5th of 539 secondary schools in NSW (2nd of 12 in the Sydney area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1194
- Students in the top advantage quarter (15%)72% of students
- Teacher resourcing (students per teacher) (15%)7.7 students per teacher
- Enrolment growth vs local area (5 years) (10%)+2% enrolments since 2020 (area median +1%)
- ICSEA trend (5 years) (10%)+5 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 Conservatorium High School's 156 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Conservatorium High School have changed over the past decade.
Free academic assessment
Is your child on track at Conservatorium High School?
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Schools near Conservatorium High School
Closest schools by straight-line distance, with their Success Index.
Observatory Hill Environmental Education Centre
The Rocks · Government combined
· 772 m away
St Mary's Cathedral College
Sydney · Catholic combined · K-12
937 students · ICSEA 1125 · 876 m away
Fort Street Public School
Sydney · Government primary · K-6
284 students · ICSEA 1094 · 913 m away
Plunkett Street Public School
Woolloomooloo · Government primary · P-6
73 students · ICSEA 968 · 1.0 km away
Sydney Distance Education High School
Woolloomooloo · Government high school · 7-12
615 students · ICSEA 1032 · 1.1 km away
Macquarie Grammar School
Sydney · Independent high school · 7-12
84 students · ICSEA 1027 · 1.1 km away
St Vincent's College
Potts Point · Independent high school · 7-12
755 students · ICSEA 1145 · 1.2 km away
Sydney Grammar School
Darlinghurst · Independent combined · K-12
1,925 students · ICSEA 1274 · 1.3 km away
St Andrew's Cathedral Gawura School
Sydney · Independent primary · K-6
38 students · ICSEA 817 · 1.4 km away
St Andrew's Cathedral School
Sydney · Independent combined · K-12
1,436 students · ICSEA 1189 · 1.4 km away
Similar schools
Government secondary schools in NSW with a comparable ICSEA.
Sydney Girls High School
Surry Hills · Government high school · 7-12
929 students · ICSEA 1193
North Sydney Boys High School
Crows Nest · Government high school · 7-12
933 students · ICSEA 1195
Sydney Boys High School
Moore Park · Government high school · 7-12
1,205 students · ICSEA 1189
Girraween High School
Girraween · Government high school · 7-12
784 students · ICSEA 1199
Penrith High School
Penrith · Government high school · 7-12
930 students · ICSEA 1186
Smiths Hill High School
Wollongong · Government high school · 7-12
736 students · ICSEA 1186
Frequently asked questions
Is Conservatorium High School a public or private school?
Conservatorium High School is a public (government) school run by the New South Wales education department.
What year levels does Conservatorium High School offer?
Conservatorium High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Conservatorium High School?
In 2025, Conservatorium High School had 156 enrolled students (81 girls, 75 boys), a change of 2% over five years.
What is the ICSEA of Conservatorium High School?
Conservatorium High School has an ICSEA (Index of Community Socio-Educational Advantage) of 1194. 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 Conservatorium High School rank in NSW?
Conservatorium High School ranks 5th of 539 secondary schools in New South Wales on the Success Index (86.3/100), and 8th of 1,472 nationally.
What is the student-to-teacher ratio at Conservatorium High School?
Conservatorium High School has about 7.7 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Conservatorium High School?
In 2025, Conservatorium High School had 24 students in Year 7 and 40 in Year 12.
Is Conservatorium High School co-ed?
Yes. Conservatorium High School is a co-educational school enrolling both girls and boys.
What other schools are near Conservatorium High School?
There are 10 other schools within 15 km of Conservatorium 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 Conservatorium High School?
The closest Success Tutoring centre is Success Tutoring Lane Cove, about 7.1 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.