Skip to content
S

Loreto Kirribilli vs Observatory Hill Environmental Education Centre

A head-to-head comparison of two combined schools in New South Wales, 1.6 km apart, using official ACARA 2025 data. Best value in each row is highlighted.

MeasureLoreto Kirribilli
Kirribilli NSW
Observatory Hill Environmental Education Centre
The Rocks NSW
Success Index
82
Top 10%
–
Not rated
State rank (type)#33 of 314–
National rank (type)#81 of 1,259–
SectorIndependentGovernment
TypeCombinedCombined
Year rangeK-12–
Students1,176–
Girls / boys1,176 / 0– / –
Foundation intake19–
Year 7 cohort157–
Year 12 cohort144–
VCE median study score
VCAA, latest year
––
VCE study scores 40+––
5-year enrolment growth+4%–
ICSEA
Average 1000
1189–
ICSEA percentile99th–
Top SEA quarter77%–
Bottom SEA quarter1%–
Students per teacher11.0–
Teaching staff (FTE)106.62.0
Non-teaching staff (FTE)60.61.2
Language background other than English21%–
Indigenous students0%–
SuburbKirribilli 2061The Rocks 2000
Council areaNorth SydneySydney
RemotenessMajor CitiesMajor Cities
Websitewww.loreto.nsw.edu.au/observatoryhilleec.schools.nsw.gov.au

The verdict

  • •Loreto Kirribilli is a independent school while Observatory Hill Environmental Education Centre is a government 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.

Free academic assessment

Torn between two schools? Start with your child.

Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.

  • Personalised learning plan mapped to the Australian Curriculum
  • English & Maths from Kindergarten to Year 12
  • Flexible memberships, no lock-in contracts
  • Your nearest centre: Success Tutoring Lane Cove

No cost, no obligation. By submitting you agree to be contacted by Success Tutoring about your enquiry. See our privacy policy.

Frequently asked questions

Is Loreto Kirribilli better than Observatory Hill Environmental Education Centre?

The two schools are very close on the Success Index. Differences in sector, size, year range and distance from home will matter more than the score.

How far apart are Loreto Kirribilli and Observatory Hill Environmental Education Centre?

About 1.6 km in a straight line, between Kirribilli and The Rocks in New South Wales.

Which has the better student-to-teacher ratio?

Staffing data is not available for one of the schools.

How do Loreto Kirribilli and Observatory Hill Environmental Education Centre rank in NSW?

Loreto Kirribilli is 33rd of 314 and Observatory Hill Environmental Education Centre is unranked among combined schools in New South Wales on the 2025 Success Index.