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Rydalmere East Public School vs St Mary's Primary School

A head-to-head comparison of two primary schools in New South Wales, 1.7 km apart, using official ACARA 2025 data. Best value in each row is highlighted.

MeasureRydalmere East Public School
Ermington NSW
St Mary's Primary School
Rydalmere NSW
Success Index
51
Top 50%
65
Top 50%
State rank (type)#860 of 1,619#490 of 1,619
National rank (type)#2617 of 4,908#1491 of 4,908
SectorGovernmentCatholic
TypePrimaryPrimary
Year rangeP-6K-6
Students104377
Girls / boys47 / 57189 / 188
Foundation intake2653
Year 7 cohort––
Year 12 cohort––
VCE median study score
VCAA, latest year
––
VCE study scores 40+––
5-year enrolment growth-43%+5%
ICSEA
Average 1000
10071079
ICSEA percentile50th78th
Top SEA quarter13%35%
Bottom SEA quarter32%11%
Students per teacher8.017.2
Teaching staff (FTE)13.021.9
Non-teaching staff (FTE)5.86.5
Language background other than English53%43%
Indigenous students4%4%
SuburbErmington 2115Rydalmere 2116
Council areaParramattaParramatta
RemotenessMajor CitiesMajor Cities
Websiterydalmeree-p.schools.nsw.gov.auwww.stmarysrydalmere.catholic.edu.au

The verdict

  • •St Mary's Primary School scores higher on the Success Index (64.6 vs 51.1).
  • •St Mary's Primary School has the higher ICSEA (1079 vs 1007), indicating a more advantaged community.
  • •Rydalmere East Public School has fewer students per teacher (8.0 vs 17.2).
  • •St Mary's Primary School is the larger school with 377 students compared with 104.
  • •St Mary's Primary School has grown faster over five years (5% vs -43%).
  • •Rydalmere East Public School is a government school while St Mary's Primary 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.

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Frequently asked questions

Is Rydalmere East Public School better than St Mary's Primary School?

On the Success Index, St Mary's Primary School ranks higher (64.6 vs 51.1 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 Rydalmere East Public School and St Mary's Primary School?

About 1.7 km in a straight line, between Ermington and Rydalmere in New South Wales.

Which has the better student-to-teacher ratio?

Rydalmere East Public School has 8.0 students per full-time-equivalent teacher and St Mary's Primary School has 17.2.

How do Rydalmere East Public School and St Mary's Primary School rank in NSW?

Rydalmere East Public School is 860th of 1,619 and St Mary's Primary School is 490th of 1,619 among primary schools in New South Wales on the 2025 Success Index.