Cosgrove High School
Updated Oct 2026 · ACARA 2025Glenorchy, Tasmania 7010 · Glenorchy LGA
About Cosgrove High School
Cosgrove High School is a public high school located in Glenorchy, Tasmania (7010), within the Glenorchy local government area. It caters for students from 7 to 12 and in 2025 enrolled 313 students (136 girls and 177 boys).
Cosgrove High School has an ICSEA value of 867, indicating a community facing significant socio-educational disadvantage. That places it in the 6th percentile of Australian schools. 1% of students come from the top socio-educational quarter and 73% from the bottom quarter.
The school employs 36 teachers (33.3 full-time equivalent) and 34 non-teaching staff, giving a student-to-teacher ratio of about 9.4 to 1. Enrolments have grown by 40% over the past five years.
On the Success Index, Cosgrove High School scores 34.1 out of 100, placing it in the lower 50% of secondary schools nationally and 22nd of 42 secondary schools in TAS (2nd of 4 in the Glenorchy area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 867
- Students in the top advantage quarter (15%)1% of students
- Teacher resourcing (students per teacher) (15%)9.4 students per teacher
- Enrolment growth vs local area (5 years) (10%)+40% enrolments since 2020 (area median +3%)
- ICSEA trend (5 years) (10%)+30 ICSEA points since 2020
The Success Index summarises the academic environment of a school community using official ACARA data. It is not a measure of teaching quality or student results. Read the methodology.
Student profile
Distribution of students across socio-educational advantage (SEA) quarters, plus community characteristics.
Enrolments by year level
How Cosgrove High School's 313 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Cosgrove High School have changed over the past decade.
Free academic assessment
Is your child on track at Cosgrove High School?
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Schools near Cosgrove High School
Closest schools by straight-line distance, with their Success Index.
Indie School - Glenorchy
Glenorchy · Independent special · 9-12
270 students · ICSEA 947 · 408 m away
Goodwood Primary School
Derwent Park · Government primary · K-6
101 students · ICSEA 861 · 899 m away
Guilford Young College
Glenorchy · Catholic high school · 11-12
839 students · ICSEA 1020 · 1.1 km away
Moonah Primary School
Derwent Park · Government primary · K-6
214 students · ICSEA 942 · 1.1 km away
St Therese's Catholic School
Moonah · Catholic primary · Prep-6
207 students · ICSEA 1035 · 1.3 km away
Springfield Gardens Primary School
West Moonah · Government primary · K-6
192 students · ICSEA 918 · 1.4 km away
Glenorchy Primary School
Glenorchy · Government primary · K-6
261 students · ICSEA 896 · 1.4 km away
Hilliard Christian School
West Moonah · Independent combined · Prep-10
248 students · ICSEA 1012 · 2.0 km away
Montrose Bay High School
Rosetta · Government high school · 7-10
498 students · ICSEA 903 · 2.2 km away
Bowen Road Primary School
Moonah · Government primary · K-6
212 students · ICSEA 973 · 2.3 km away
Similar schools
Government secondary schools in TAS with a comparable ICSEA.
Bayview Secondary College
Rokeby · Government high school · 7-12
357 students · ICSEA 873
New Norfolk High School
New Norfolk · Government high school · 7-12
319 students · ICSEA 881
Parklands High School
Romaine · Government high school · 7-12
408 students · ICSEA 885
Smithton High School
Smithton · Government high school · 7-12
283 students · ICSEA 849
Brooks High School
Rocherlea · Government high school · 7-12
451 students · ICSEA 886
Huonville High School
Huonville · Government high school · 7-12
281 students · ICSEA 901
Frequently asked questions
Is Cosgrove High School a public or private school?
Cosgrove High School is a public (government) school run by the Tasmania education department.
What year levels does Cosgrove High School offer?
Cosgrove High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Cosgrove High School?
In 2025, Cosgrove High School had 313 enrolled students (136 girls, 177 boys), a change of 40% over five years.
What is the ICSEA of Cosgrove High School?
Cosgrove High School has an ICSEA (Index of Community Socio-Educational Advantage) of 867. The national average is 1000, so this indicates a community facing significant socio-educational disadvantage. ICSEA reflects the school community, not teaching quality.
How does Cosgrove High School rank in TAS?
Cosgrove High School ranks 22nd of 42 secondary schools in Tasmania on the Success Index (34.1/100), and 1085th of 1,472 nationally.
What is the student-to-teacher ratio at Cosgrove High School?
Cosgrove High School has about 9.4 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Cosgrove High School?
In 2025, Cosgrove High School had 82 students in Year 7 and 1 in Year 12.
Is Cosgrove High School co-ed?
Yes. Cosgrove High School is a co-educational school enrolling both girls and boys.
What other schools are near Cosgrove High School?
There are 10 other schools within 15 km of Cosgrove High School in our database. Scroll up to the "Nearby schools" section to compare them by Success Index, ICSEA and enrolments, or use the Compare tool.
Where can I get tutoring near Cosgrove High School?
The closest Success Tutoring centre is Success Tutoring Torquay, about 562 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.