Small government secondary (183 students, Years 7–12) in outer regional Gladstone, SA.
NAPLAN 33 points below national year-level averages; the result is a B- overall.
Gladstone High School is also known as Gladstone HS and GHS Gladstone.
Gladstone High School has an overall SchoolRank score of 47.4/100, rated "Average". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school scores 41/100, indicating developing performance relative to other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 967, slightly below the national average of 1,000.
In 2025 NAPLAN testing at Gladstone High School, Year 7 students averaged 515 across the tested NAPLAN domains, below the national average of 540 for that year level, and Year 9 students averaged 527, 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.
Gladstone High School is a very small government secondary school with approximately 183 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.
Gladstone 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 43/100 on SchoolRank, which compares educational outcomes relative to cost, government schools typically score well on this measure.
Gladstone High School has a student-to-teacher ratio of 10.1:1. This is below the national average of approximately 14:1, meaning students generally receive more individual attention. Support staff make up 36% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 88%, which is moderate.
Gladstone High School is located in Gladstone, SA, classified as a outer regional school. With an ICSEA of 967 (32th 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.