Grant High School is a co-ed government secondary in Mount Gambier known for its working agricultural farm.
NAPLAN 39 points below national year-level averages; the result is a C- overall.
Grant High School is a co-ed government secondary in Mount Gambier known for its working agricultural farm. The school offers specialisms in agricultural studies and performing arts and languages. It has purpose-built art rooms, subject-specific science laboratories, and an Independent Learning Centre for students aged 16-21 seeking flexible pathways. It suits students drawn to hands-on learning and creative pursuits.
Grant High School has an overall SchoolRank score of 39.3/100, rated "Below Average". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school scores 37/100, indicating developing performance relative to other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 954, slightly below the national average of 1,000.
In 2025 NAPLAN testing at Grant High School, Year 7 students averaged 500 across the tested NAPLAN domains, well below the national average of 540 for that year level, and Year 9 students averaged 531, 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.
Grant High School is a medium-sized government secondary school with approximately 978 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.
Grant 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 39/100 on SchoolRank, which compares educational outcomes relative to cost, government schools typically score well on this measure.
Grant High School has a student-to-teacher ratio of 14.0:1. This is around the national average of approximately 14:1, meaning class sizes are typical for Australian schools. Support staff make up 36% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 87%, which is moderate.
Grant High School is located in Mount Gambier, SA, classified as a outer regional school. With an ICSEA of 954 (26th 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.