Cosgrove High School vs St Therese's Catholic School
A head-to-head comparison of two schools in Tasmania, 1.3 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Cosgrove High School
Glenorchy · Government high school · 7-12
313 students · ICSEA 867
St Therese's Catholic School
Moonah · Catholic primary · Prep-6
207 students · ICSEA 1035
| Measure | Cosgrove High School Glenorchy TAS | St Therese's Catholic School Moonah TAS |
|---|---|---|
| Success Index | 34 Lower 50% | 62 Top 50% |
| State rank (type) | #22 of 42 | #25 of 132 |
| National rank (type) | #1085 of 1,472 | #1717 of 4,908 |
| Sector | Government | Catholic |
| Type | Secondary | Primary |
| Year range | 7-12 | Prep-6 |
| Students | 313 | 207 |
| Girls / boys | 136 / 177 | 107 / 100 |
| Foundation intake | – | 31 |
| Year 7 cohort | 82 | – |
| Year 12 cohort | 1 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +40% | +2% |
| ICSEA Average 1000 | 867 | 1035 |
| ICSEA percentile | 6th | 62th |
| Top SEA quarter | 1% | 18% |
| Bottom SEA quarter | 73% | 18% |
| Students per teacher | 9.4 | 14.6 |
| Teaching staff (FTE) | 33.3 | 14.2 |
| Non-teaching staff (FTE) | 23.1 | 10.6 |
| Language background other than English | 7% | 17% |
| Indigenous students | 24% | 7% |
| Suburb | Glenorchy 7010 | Moonah 7009 |
| Council area | Glenorchy | Glenorchy |
| Remoteness | Inner Regional | Inner Regional |
| Website | cosgrovehigh.education.tas.edu.au/ | www.sttherese.tas.edu.au |
The verdict
- •St Therese's Catholic School scores higher on the Success Index (62.3 vs 34.1).
- •St Therese's Catholic School has the higher ICSEA (1035 vs 867), indicating a more advantaged community.
- •Cosgrove High School has fewer students per teacher (9.4 vs 14.6).
- •Cosgrove High School is the larger school with 313 students compared with 207.
- •Cosgrove High School has grown faster over five years (40% vs 2%).
- •Cosgrove High School is a government school while St Therese's Catholic School is a catholic school, so fees and enrolment rules differ.
The Success Index summarises community advantage, resourcing and momentum from ACARA data. It does not measure teaching quality, results or fit. Methodology.
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Frequently asked questions
Is Cosgrove High School better than St Therese's Catholic School?
On the Success Index, St Therese's Catholic School ranks higher (62.3 vs 34.1 out of 100). The index measures community advantage and momentum from ACARA data, not teaching quality, so visit both schools before deciding.
How far apart are Cosgrove High School and St Therese's Catholic School?
About 1.3 km in a straight line, between Glenorchy and Moonah in Tasmania.
Which has the better student-to-teacher ratio?
Cosgrove High School has 9.4 students per full-time-equivalent teacher and St Therese's Catholic School has 14.6.
How do Cosgrove High School and St Therese's Catholic School rank in TAS?
Cosgrove High School is 22nd of 42 and St Therese's Catholic School is 25th of 132 among secondary schools in Tasmania on the 2025 Success Index.