Skip to content
S

Gilson College vs Mackellar Primary School

A head-to-head comparison of two schools in Victoria, 1.5 km apart, using official ACARA 2025 data. Best value in each row is highlighted.

MeasureGilson College
Taylors Hill VIC
Mackellar Primary School
Delahey VIC
Success Index
57
Top 50%
49
Top 50%
State rank (type)#136 of 239#896 of 1,290
National rank (type)#514 of 1,259#2762 of 4,908
SectorIndependentGovernment
TypeCombinedPrimary
Year rangePrep-12Prep-6
Students1,102300
Girls / boys537 / 565140 / 160
Foundation intake7452
Year 7 cohort105–
Year 12 cohort85–
VCE median study score
VCAA, latest year
27–
VCE study scores 40+1.9%–
5-year enrolment growth-14%-26%
ICSEA
Average 1000
1073993
ICSEA percentile76th44th
Top SEA quarter29%9%
Bottom SEA quarter14%40%
Students per teacher12.611.1
Teaching staff (FTE)87.427.0
Non-teaching staff (FTE)49.916.1
Language background other than English59%68%
Indigenous students0%1%
SuburbTaylors Hill 3037Delahey 3037
Council areaMeltonBrimbank
RemotenessMajor CitiesMajor Cities
Websitewww.gilson.vic.edu.auwww.mackellarps.vic.edu.au

The verdict

  • •Gilson College scores higher on the Success Index (56.6 vs 49.1).
  • •Gilson College has the higher ICSEA (1073 vs 993), indicating a more advantaged community.
  • •Mackellar Primary School has fewer students per teacher (11.1 vs 12.6).
  • •Gilson College is the larger school with 1,102 students compared with 300.
  • •Gilson College has grown faster over five years (-14% vs -26%).
  • •Gilson College is a independent school while Mackellar Primary School 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 Caroline Springs

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 Gilson College better than Mackellar Primary School?

On the Success Index, Gilson College ranks higher (56.6 vs 49.1 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 Gilson College and Mackellar Primary School?

About 1.5 km in a straight line, between Taylors Hill and Delahey in Victoria.

Which has the better student-to-teacher ratio?

Gilson College has 12.6 students per full-time-equivalent teacher and Mackellar Primary School has 11.1.

How do Gilson College and Mackellar Primary School rank in VIC?

Gilson College is 136th of 239 and Mackellar Primary School is 896th of 1,290 among combined schools in Victoria on the 2025 Success Index.