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Inner Sydney High School vs Our Lady of Mount Carmel Catholic Primary School

A head-to-head comparison of two schools in New South Wales, 1.1 km apart, using official ACARA 2025 data. Best value in each row is highlighted.

MeasureInner Sydney High School
Surry Hills NSW
Our Lady of Mount Carmel Catholic Primary School
Waterloo NSW
Success Index
76
Top 25%
40
Lower 50%
State rank (type)#54 of 539–
National rank (type)#153 of 1,472–
SectorGovernmentCatholic
TypeSecondaryPrimary
Year range7-12K-6
Students1,16176
Girls / boys493 / 66846 / 30
Foundation intake–5
Year 7 cohort213–
Year 12 cohort147–
VCE median study score
VCAA, latest year
––
VCE study scores 40+––
5-year enrolment growth+690%-6%
ICSEA
Average 1000
1104938
ICSEA percentile85th20th
Top SEA quarter44%18%
Bottom SEA quarter7%37%
Students per teacher15.06.1
Teaching staff (FTE)77.512.4
Non-teaching staff (FTE)14.63.4
Language background other than English48%78%
Indigenous students4%42%
SuburbSurry Hills 2010Waterloo 2017
Council areaSydneySydney
RemotenessMajor CitiesMajor Cities
Websiteinnersydneyhighschool.schools.nsw.gov.auolmcwaterloo.syd.catholic.edu.au

The verdict

  • •Inner Sydney High School scores higher on the Success Index (75.6 vs 39.8).
  • •Inner Sydney High School has the higher ICSEA (1104 vs 938), indicating a more advantaged community.
  • •Our Lady of Mount Carmel Catholic Primary School has fewer students per teacher (6.1 vs 15.0).
  • •Inner Sydney High School is the larger school with 1,161 students compared with 76.
  • •Inner Sydney High School has grown faster over five years (690% vs -6%).
  • •Inner Sydney High School is a government school while Our Lady of Mount Carmel Catholic Primary 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 Inner Sydney High School better than Our Lady of Mount Carmel Catholic Primary School?

On the Success Index, Inner Sydney High School ranks higher (75.6 vs 39.8 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 Inner Sydney High School and Our Lady of Mount Carmel Catholic Primary School?

About 1.1 km in a straight line, between Surry Hills and Waterloo in New South Wales.

Which has the better student-to-teacher ratio?

Inner Sydney High School has 15.0 students per full-time-equivalent teacher and Our Lady of Mount Carmel Catholic Primary School has 6.1.

How do Inner Sydney High School and Our Lady of Mount Carmel Catholic Primary School rank in NSW?

Inner Sydney High School is 54th of 539 and Our Lady of Mount Carmel Catholic Primary School is unranked among secondary schools in New South Wales on the 2025 Success Index.