Small government secondary (313 students, Y7–12) in inner regional Glenorchy, Tasmania.
NAPLAN well below national year-level averages; the result is a C overall.
Cosgrove High School is also known as Cosgrove HS and CHS Glenorchy.
Cosgrove High School has an overall SchoolRank score of 23.7/100, rated "Well below average". This score is calculated from academic results, student growth, wellbeing, programs, and value for money. Academically, the school grades C (Well below average) against other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 867 (6th percentile; the national average is 1,000).
In 2025 NAPLAN testing at Cosgrove High School, Year 7 students averaged 454 across the tested NAPLAN domains, well below the national average of 540 for that year level, and Year 9 students averaged 482, 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.
Cosgrove High School is a small government secondary school with approximately 313 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.
Cosgrove 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 (Well below average) for value for money, which weighs academic results against the cost of attendance.
Cosgrove High School has a student-to-teacher ratio of 9.4:1. This is well below the national average of approximately 14:1, meaning students generally receive more individual attention. Support staff make up 41% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 73%, which is below average.
Cosgrove High School is located in Glenorchy, TAS, in inner regional Australia. Its ICSEA is 867 (6th 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.