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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.

MeasureCosgrove 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
SectorGovernmentCatholic
TypeSecondaryPrimary
Year range7-12Prep-6
Students313207
Girls / boys136 / 177107 / 100
Foundation intake–31
Year 7 cohort82–
Year 12 cohort1–
VCE median study score
VCAA, latest year
––
VCE study scores 40+––
5-year enrolment growth+40%+2%
ICSEA
Average 1000
8671035
ICSEA percentile6th62th
Top SEA quarter1%18%
Bottom SEA quarter73%18%
Students per teacher9.414.6
Teaching staff (FTE)33.314.2
Non-teaching staff (FTE)23.110.6
Language background other than English7%17%
Indigenous students24%7%
SuburbGlenorchy 7010Moonah 7009
Council areaGlenorchyGlenorchy
RemotenessInner RegionalInner Regional
Websitecosgrovehigh.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.