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Koondoola Primary School vs Mercy College

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

MeasureKoondoola Primary School
Koondoola WA
Mercy College
Koondoola WA
Success Index
27
Lower 50%
28
Lower 50%
State rank (type)#490 of 583#146 of 172
National rank (type)#4362 of 4,908#1125 of 1,259
SectorGovernmentCatholic
TypePrimaryCombined
Year rangeK-6PP-12
Students2791,574
Girls / boys135 / 144808 / 766
Foundation intake3560
Year 7 cohort–214
Year 12 cohort–172
VCE median study score
VCAA, latest year
––
VCE study scores 40+––
5-year enrolment growth-11%+1%
ICSEA
Average 1000
871988
ICSEA percentile7th42th
Top SEA quarter2%8%
Bottom SEA quarter71%38%
Students per teacher12.314.3
Teaching staff (FTE)22.0110.4
Non-teaching staff (FTE)21.465.0
Language background other than English85%67%
Indigenous students16%3%
SuburbKoondoola 6064Koondoola 6064
Council areaWannerooWanneroo
RemotenessMajor CitiesMajor Cities
Websitewww.det.wa.edu.au/schoolsonline/overview.do?schoolID=5578www.mercy.wa.edu.au

The verdict

  • •Both schools have almost identical Success Index scores (26.9 vs 27.7).
  • •Mercy College has the higher ICSEA (988 vs 871), indicating a more advantaged community.
  • •Koondoola Primary School has fewer students per teacher (12.3 vs 14.3).
  • •Mercy College is the larger school with 1,574 students compared with 279.
  • •Mercy College has grown faster over five years (1% vs -11%).
  • •Koondoola Primary School is a government school while Mercy College 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 Koondoola Primary School better than Mercy College?

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 Koondoola Primary School and Mercy College?

About 1.2 km in a straight line, between Koondoola and Koondoola in Western Australia.

Which has the better student-to-teacher ratio?

Koondoola Primary School has 12.3 students per full-time-equivalent teacher and Mercy College has 14.3.

How do Koondoola Primary School and Mercy College rank in WA?

Koondoola Primary School is 490th of 583 and Mercy College is 146th of 172 among primary schools in Western Australia on the 2025 Success Index.