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Coniston Public School vs The Illawarra Grammar School

A head-to-head comparison of two schools in New South Wales, 1.9 km apart, using official ACARA 2025 data. Best value in each row is highlighted.

MeasureConiston Public School
Coniston NSW
The Illawarra Grammar School
Wollongong West NSW
Success Index
46
Lower 50%
80
Top 10%
State rank (type)#959 of 1,619#44 of 314
National rank (type)#2967 of 4,908#107 of 1,259
SectorGovernmentIndependent
TypePrimaryCombined
Year rangeK-6K-12
Students181970
Girls / boys82 / 99464 / 506
Foundation intake2349
Year 7 cohort–106
Year 12 cohort–92
VCE median study score
VCAA, latest year
––
VCE study scores 40+––
5-year enrolment growth-9%+23%
ICSEA
Average 1000
9901159
ICSEA percentile42th96th
Top SEA quarter11%64%
Bottom SEA quarter37%2%
Students per teacher11.89.7
Teaching staff (FTE)15.499.8
Non-teaching staff (FTE)5.045.4
Language background other than English62%36%
Indigenous students7%2%
SuburbConiston 2500Wollongong West 2500
Council areaWollongongWollongong
RemotenessMajor CitiesMajor Cities
Websiteconiston-p.schools.nsw.gov.auwww.tigs.nsw.edu.au

The verdict

  • •The Illawarra Grammar School scores higher on the Success Index (80.3 vs 46.3).
  • •The Illawarra Grammar School has the higher ICSEA (1159 vs 990), indicating a more advantaged community.
  • •The Illawarra Grammar School has fewer students per teacher (9.7 vs 11.8).
  • •The Illawarra Grammar School is the larger school with 970 students compared with 181.
  • •The Illawarra Grammar School has grown faster over five years (23% vs -9%).
  • •Coniston Public School is a government school while The Illawarra Grammar School is an independent 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 Coniston Public School better than The Illawarra Grammar School?

On the Success Index, The Illawarra Grammar School ranks higher (80.3 vs 46.3 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 Coniston Public School and The Illawarra Grammar School?

About 1.9 km in a straight line, between Coniston and Wollongong West in New South Wales.

Which has the better student-to-teacher ratio?

Coniston Public School has 11.8 students per full-time-equivalent teacher and The Illawarra Grammar School has 9.7.

How do Coniston Public School and The Illawarra Grammar School rank in NSW?

Coniston Public School is 959th of 1,619 and The Illawarra Grammar School is 44th of 314 among primary schools in New South Wales on the 2025 Success Index.