Skip to content
S

Open Access College vs St Joseph's School

A head-to-head comparison of two schools in South Australia, 1.2 km apart, using official ACARA 2025 data. Best value in each row is highlighted.

MeasureOpen Access College
Marden SA
St Joseph's School
Payneham South SA
Success Index
45
Lower 50%
74
Top 25%
State rank (type)#66 of 145#35 of 348
National rank (type)#769 of 1,259#632 of 4,908
SectorGovernmentCatholic
TypeCombinedPrimary
Year rangeU, R-12R-6
Students4,028494
Girls / boys2,140 / 1,888229 / 265
Foundation intake21381
Year 7 cohort69–
Year 12 cohort573–
VCE median study score
VCAA, latest year
––
VCE study scores 40+––
5-year enrolment growth-10%+30%
ICSEA
Average 1000
10171092
ICSEA percentile54th82th
Top SEA quarter15%34%
Bottom SEA quarter32%6%
Students per teacher10.816.0
Teaching staff (FTE)125.630.9
Non-teaching staff (FTE)43.216.7
Language background other than English5%22%
Indigenous students6%1%
SuburbMarden 5070Payneham South 5070
Council areaNorwood Payneham and St PetersNorwood Payneham and St Peters
RemotenessMajor CitiesMajor Cities
Websitewww.openaccess.edu.auwww.stjopayn.catholic.edu.au

The verdict

  • •St Joseph's School scores higher on the Success Index (74.0 vs 44.7).
  • •St Joseph's School has the higher ICSEA (1092 vs 1017), indicating a more advantaged community.
  • •Open Access College has fewer students per teacher (10.8 vs 16.0).
  • •Open Access College is the larger school with 4,028 students compared with 494.
  • •St Joseph's School has grown faster over five years (30% vs -10%).
  • •Open Access College is a government school while St Joseph's 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.

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 Windsor Gardens

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 Open Access College better than St Joseph's School?

On the Success Index, St Joseph's School ranks higher (74.0 vs 44.7 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 Open Access College and St Joseph's School?

About 1.2 km in a straight line, between Marden and Payneham South in South Australia.

Which has the better student-to-teacher ratio?

Open Access College has 10.8 students per full-time-equivalent teacher and St Joseph's School has 16.0.

How do Open Access College and St Joseph's School rank in SA?

Open Access College is 66th of 145 and St Joseph's School is 35th of 348 among combined schools in South Australia on the 2025 Success Index.