Muswellbrook High School
Updated Oct 2026 · ACARA 2025Muswellbrook, New South Wales 2333 · Muswellbrook LGA
#539 of 539 high schools in NSW
#1460 of 1,472 nationally
About Muswellbrook High School
Muswellbrook High School is a public high school located in Muswellbrook, New South Wales (2333), within the Muswellbrook local government area. It caters for students from 7 to 12 and in 2025 enrolled 648 students (325 girls and 323 boys).
Muswellbrook High School has an ICSEA value of 869, indicating a community facing significant socio-educational disadvantage. That places it in the 6th percentile of Australian schools. 2% of students come from the top socio-educational quarter and 69% from the bottom quarter.
The school employs 67 teachers (62.1 full-time equivalent) and 24 non-teaching staff, giving a student-to-teacher ratio of about 10.4 to 1. Enrolments have fallen by 27% over the past five years.
On the Success Index, Muswellbrook High School scores 15.1 out of 100, placing it in the lower 50% of secondary schools nationally and 539th of 539 secondary schools in NSW.
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 869
- Students in the top advantage quarter (15%)2% of students
- Teacher resourcing (students per teacher) (15%)10.4 students per teacher
- Enrolment growth vs local area (5 years) (10%)-27% enrolments since 2020
- ICSEA trend (5 years) (10%)-33 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 Muswellbrook High School's 648 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Muswellbrook High School have changed over the past decade.
Free academic assessment
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Schools near Muswellbrook High School
Closest schools by straight-line distance, with their Success Index.
Muswellbrook South Public School
Muswellbrook · Government primary · K-6
439 students · ICSEA 819 · 771 m away
Pacific Brook Christian School
Muswellbrook · Independent combined · K-10
88 students · ICSEA 950 · 1.1 km away
Muswellbrook Public School
Muswellbrook · Government primary · K-6
422 students · ICSEA 913 · 1.2 km away
Richard Gill School
Muswellbrook · Independent primary · K-5
43 students · ICSEA 996 · 1.8 km away
St James' Primary School
Muswellbrook · Catholic primary · K-6
345 students · ICSEA 952 · 1.8 km away
St Joseph's Catholic College
Aberdeen · Catholic high school · 7-12
685 students · ICSEA 968 · 11 km away
Aberdeen Public School
Aberdeen · Government primary · K-6
151 students · ICSEA 890 · 11 km away
Similar schools
Government secondary schools in NSW with a comparable ICSEA.
Chifley College Dunheved Campus
North St Marys · Government high school · 7-10
586 students · ICSEA 870
Gulgong High School
Gulgong · Government high school · 7-12
213 students · ICSEA 868
Casino High School
Casino · Government high school · 7-12
567 students · ICSEA 866
Cobar High School
Cobar · Government high school · 7-12
214 students · ICSEA 865
Chifley College Mount Druitt Campus
Mount Druitt · Government high school · 7-10
648 students · ICSEA 864
Narrabri High School
Narrabri · Government high school · 7-12
420 students · ICSEA 864
Frequently asked questions
Is Muswellbrook High School a public or private school?
Muswellbrook High School is a public (government) school run by the New South Wales education department.
What year levels does Muswellbrook High School offer?
Muswellbrook High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Muswellbrook High School?
In 2025, Muswellbrook High School had 648 enrolled students (325 girls, 323 boys), a change of -27% over five years.
What is the ICSEA of Muswellbrook High School?
Muswellbrook High School has an ICSEA (Index of Community Socio-Educational Advantage) of 869. The national average is 1000, so this indicates a community facing significant socio-educational disadvantage. ICSEA reflects the school community, not teaching quality.
How does Muswellbrook High School rank in NSW?
Muswellbrook High School ranks 539th of 539 secondary schools in New South Wales on the Success Index (15.1/100), and 1460th of 1,472 nationally.
What is the student-to-teacher ratio at Muswellbrook High School?
Muswellbrook High School has about 10.4 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Muswellbrook High School?
In 2025, Muswellbrook High School had 106 students in Year 7 and 79 in Year 12.
Is Muswellbrook High School co-ed?
Yes. Muswellbrook High School is a co-educational school enrolling both girls and boys.
What other schools are near Muswellbrook High School?
There are 7 other schools within 15 km of Muswellbrook 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 Muswellbrook High School?
The closest Success Tutoring centre is Success Tutoring Belmont, about 111 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.