Skip to content
S

St Mary's Primary School vs St Thomas' School

A head-to-head comparison of two primary schools in Victoria, 2.2 km apart, using official ACARA 2025 data. Best value in each row is highlighted.

MeasureSt Mary's Primary School
Sale VIC
St Thomas' School
Sale VIC
Success Index
57
Top 50%
58
Top 50%
State rank (type)#740 of 1,290#704 of 1,290
National rank (type)#2210 of 4,908#2090 of 4,908
SectorCatholicCatholic
TypePrimaryPrimary
Year rangePrep-6Prep-6
Students180289
Girls / boys91 / 89153 / 136
Foundation intake2543
Year 7 cohort––
Year 12 cohort––
VCE median study score
VCAA, latest year
––
VCE study scores 40+––
5-year enrolment growth-1%-8%
ICSEA
Average 1000
10451039
ICSEA percentile66th64th
Top SEA quarter15%14%
Bottom SEA quarter15%19%
Students per teacher15.314.0
Teaching staff (FTE)11.820.6
Non-teaching staff (FTE)5.89.9
Language background other than English10%6%
Indigenous students1%2%
SuburbSale 3850Sale 3850
Council areaWellingtonWellington
RemotenessInner RegionalInner Regional
Websitewww.stmarysale.catholic.edu.auwww.sttsale.catholic.edu.au

The verdict

  • •St Thomas' School scores higher on the Success Index (58.0 vs 56.6).
  • •St Mary's Primary School has the higher ICSEA (1045 vs 1039), indicating a more advantaged community.
  • •St Thomas' School has fewer students per teacher (14.0 vs 15.3).
  • •St Thomas' School is the larger school with 289 students compared with 180.
  • •St Mary's Primary School has grown faster over five years (-1% vs -8%).

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 Springvale

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 St Mary's Primary School better than St Thomas' School?

On the Success Index, St Thomas' School ranks higher (58.0 vs 56.6 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 St Mary's Primary School and St Thomas' School?

About 2.2 km in a straight line, between Sale and Sale in Victoria.

Which has the better student-to-teacher ratio?

St Mary's Primary School has 15.3 students per full-time-equivalent teacher and St Thomas' School has 14.0.

How do St Mary's Primary School and St Thomas' School rank in VIC?

St Mary's Primary School is 740th of 1,290 and St Thomas' School is 704th of 1,290 among primary schools in Victoria on the 2025 Success Index.