Government secondary co-ed school in Muswellbrook, NSW, serving 648 students in Years 7–12.
NAPLAN well below national year-level averages; the result is a C overall.
Muswellbrook High School is also known as Muswellbrook HS and MHS Muswellbrook.
1 HSC Top Achievers — #129 of 240 New South Wales schools.
Muswellbrook High School draws students from the Muswellbrook HS (and 1 more zone).
Muswellbrook High School has an overall SchoolRank score of 23.9/100, rated "Below Average". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school scores 35/100, indicating developing performance relative to other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 869, below the national average of 1,000.
In 2025 NAPLAN testing at Muswellbrook High School, Year 7 students averaged 478 across the tested NAPLAN domains, well below the national average of 540 for that year level, and Year 9 students averaged 519, well below the national average of 569 for that year level. National averages are specific to each year level, because NAPLAN scores are scaled so older year levels score higher, a school-wide average can't be compared with a single national figure.
Muswellbrook High School is a medium-sized government secondary school with approximately 648 students. It offers education for years 7-12. As a government school, enrolment is generally available to students living within the school's designated catchment zone. Families outside the zone may apply for out-of-area placement subject to availability.
Muswellbrook High School is a government school, so there are no tuition fees. Families may be asked to contribute to voluntary school fees covering materials, excursions, and activities. The school has a value score of 37/100 on SchoolRank, which compares educational outcomes relative to cost, government schools typically score well on this measure.
Muswellbrook High School has a student-to-teacher ratio of 10.4:1. This is below the national average of approximately 14:1, meaning students generally receive more individual attention. Support staff make up 23% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 72%, which is below the national benchmark.
The Year 12 completion rate is 74%.
Muswellbrook High School is located in Muswellbrook, NSW, classified as a inner regional school. With an ICSEA of 869 (6th percentile), the school community's socio-educational advantage is below average, which means the school serves a community with greater socio-educational challenges. ICSEA measures the educational advantage of a school's community, not the school's quality, a lower ICSEA school with strong academic scores may indicate particularly effective teaching.