Cosgrove High School vs Montrose Bay High School
A head-to-head comparison of two secondary schools in Tasmania, 2.2 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
Montrose Bay High School
Rosetta · Government high school · 7-10
498 students · ICSEA 903
| Measure | Cosgrove High School Glenorchy TAS | Montrose Bay High School Rosetta TAS |
|---|---|---|
| Success Index | 34 Lower 50% | 24 Lower 50% |
| State rank (type) | #22 of 42 | #31 of 42 |
| National rank (type) | #1085 of 1,472 | #1332 of 1,472 |
| Sector | Government | Government |
| Type | Secondary | Secondary |
| Year range | 7-12 | 7-10 |
| Students | 313 | 498 |
| Girls / boys | 136 / 177 | 238 / 260 |
| Foundation intake | – | – |
| Year 7 cohort | 82 | 96 |
| Year 12 cohort | 1 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +40% | -20% |
| ICSEA Average 1000 | 867 | 903 |
| ICSEA percentile | 6th | 11th |
| Top SEA quarter | 1% | 2% |
| Bottom SEA quarter | 73% | 65% |
| Students per teacher | 9.4 | 9.9 |
| Teaching staff (FTE) | 33.3 | 50.2 |
| Non-teaching staff (FTE) | 23.1 | 29.0 |
| Language background other than English | 7% | 4% |
| Indigenous students | 24% | 20% |
| Suburb | Glenorchy 7010 | Rosetta 7010 |
| Council area | Glenorchy | Glenorchy |
| Remoteness | Inner Regional | Inner Regional |
| Website | cosgrovehigh.education.tas.edu.au/ | montrosebayhigh.tas.edu.au/ |
The verdict
- •Cosgrove High School scores higher on the Success Index (34.1 vs 24.3).
- •Montrose Bay High School has the higher ICSEA (903 vs 867), indicating a more advantaged community.
- •Cosgrove High School has fewer students per teacher (9.4 vs 9.9).
- •Montrose Bay High School is the larger school with 498 students compared with 313.
- •Cosgrove High School has grown faster over five years (40% vs -20%).
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 Montrose Bay High School?
On the Success Index, Cosgrove High School ranks higher (34.1 vs 24.3 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 Montrose Bay High School?
About 2.2 km in a straight line, between Glenorchy and Rosetta in Tasmania.
Which has the better student-to-teacher ratio?
Cosgrove High School has 9.4 students per full-time-equivalent teacher and Montrose Bay High School has 9.9.
How do Cosgrove High School and Montrose Bay High School rank in TAS?
Cosgrove High School is 22nd of 42 and Montrose Bay High School is 31st of 42 among secondary schools in Tasmania on the 2025 Success Index.