Mount Gambier High School is a co-educational government secondary school known for its specialist programs in sports, dance and music, all with selective entry.
NAPLAN well below national year-level averages and growth below the national median; the result is a C overall.
Mount Gambier High School is a co-educational government secondary school known for its specialist programs in sports, dance and music, all with selective entry. The school also offers vocational education and training alongside the Pedal Prix design and engineering competition. For students needing learning support, the school provides tailored programs, specialised education support services, and disability inclusion support. It suits families wanting specialist pathways in performance or athletics, alongside a broad secondary curriculum.
Mount Gambier High School is also known as MGHS, Mount Gambier HS and MGHS Mount Gambier.
Mount Gambier High School has an overall SchoolRank score of 29.1/100, rated "Well below average". This score is calculated from academic results, student growth, wellbeing, programs, and value for money. Academically, the school grades C+ (Below average) against other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 946 (23rd percentile; the national average is 1,000).
In 2025 NAPLAN testing at Mount Gambier High School, Year 7 students averaged 491 across the tested NAPLAN domains, well below the national average of 540 for that year level, and Year 9 students averaged 501, 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.
Mount Gambier High School is a medium-sized government secondary school with approximately 778 students. It offers education for years U, 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.
Mount Gambier 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 grades C+ (Below average) for value for money, which weighs academic results against the cost of attendance.
Mount Gambier High School has a student-to-teacher ratio of 13.9:1. This is around the national average of approximately 14:1, meaning class sizes are typical for Australian schools. Support staff make up 38% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 85%, which is below average.
The Year 12 completion rate is 70%.
Mount Gambier High School is located in Mount Gambier, SA, in outer regional Australia. Its ICSEA is 946 (23rd percentile; the national average is 1,000). ICSEA measures the advantage of a school's community, from its parents' education and occupation, not the school's quality. A school with a lower ICSEA and strong academic results may be teaching particularly effectively.