St Mary's Primary School
Updated Oct 2026 · ACARA 2025Kalgoorlie, Western Australia 6430 · Kalgoorlie-Boulder LGA
#273 of 583 primary schools in WA
#2526 of 4,908 nationally
About St Mary's Primary School
St Mary's Primary School is a catholic primary school located in Kalgoorlie, Western Australia (6430), within the Kalgoorlie-Boulder local government area. It caters for students from PP to 6 and in 2025 enrolled 382 students (196 girls and 186 boys). The school is affiliated with Catholic Education Western Australia.
St Mary's Primary School has an ICSEA value of 1030, indicating a socio-educational profile close to the national average of 1000. That places it in the 60th percentile of Australian schools. 17% of students come from the top socio-educational quarter and 20% from the bottom quarter.
The school employs 30 teachers (24.9 full-time equivalent) and 22 non-teaching staff, giving a student-to-teacher ratio of about 15.3 to 1. Enrolments have grown by 5% over the past five years.
On the Success Index, St Mary's Primary School scores 52.5 out of 100, placing it in the top 50% of primary schools nationally and 273rd of 583 primary schools in WA (1st of 9 in the Kalgoorlie-Boulder area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1030
- Students in the top advantage quarter (15%)17% of students
- Teacher resourcing (students per teacher) (15%)15.3 students per teacher
- Enrolment growth vs local area (5 years) (10%)+5% enrolments since 2020 (area median +5%)
- ICSEA trend (5 years) (10%)-6 ICSEA points since 2020
The Success Index summarises the academic environment of a school community using official ACARA data. It is not a measure of teaching quality or student results. Read the methodology.
Student profile
Distribution of students across socio-educational advantage (SEA) quarters, plus community characteristics.
Enrolments by year level
How St Mary's Primary School's 382 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Mary's Primary School have changed over the past decade.
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Schools near St Mary's Primary School
Closest schools by straight-line distance, with their Success Index.
Kalgoorlie Primary School
Kalgoorlie · Government primary · K-6
496 students · ICSEA 980 · 256 m away
Eastern Goldfields College
Kalgoorlie · Government high school · 11-12
485 students · ICSEA 954 · 784 m away
John Paul College
Kalgoorlie · Catholic high school · 7-12
699 students · ICSEA 1010 · 1.3 km away
North Kalgoorlie Primary School
Kalgoorlie · Government primary · K-6
481 students · ICSEA 960 · 1.3 km away
East Kalgoorlie Primary School
Kalgoorlie · Government primary · K-6
158 students · ICSEA 648 · 1.3 km away
South Kalgoorlie Primary School
Kalgoorlie · Government primary · K-6
350 students · ICSEA 909 · 2.1 km away
Kalgoorlie-Boulder Community High School
Kalgoorlie · Government high school · 7-10
854 students · ICSEA 890 · 2.8 km away
Eastern Goldfields Education Support Centre
Kalgoorlie · Government special · 7-12
47 students · ICSEA 879 · 2.8 km away
Hannans Primary School
Kalgoorlie · Government primary · K-6
343 students · ICSEA 978 · 2.9 km away
Goldfields Baptist College
Somerville · Independent combined · PP-11
239 students · ICSEA 1017 · 3.7 km away
Similar schools
Catholic primary schools in WA with a comparable ICSEA.
St Brigid's Primary School
Middle Swan · Catholic primary · PP-6
402 students · ICSEA 1030
Leschenault Catholic Primary School
Australind · Catholic primary · PP-6
422 students · ICSEA 1030
St Francis of Assisi Catholic Primary School
Butler · Catholic primary · PP-6
411 students · ICSEA 1030
St Michael's Catholic Primary School
Brunswick · Catholic primary · PP-6
85 students · ICSEA 1029
St Vincent's School
Parmelia · Catholic primary · PP-6
406 students · ICSEA 1031
St Bernadette's Catholic Primary School
Port Kennedy · Catholic primary · PP-6
408 students · ICSEA 1029
Frequently asked questions
Is St Mary's Primary School a public or private school?
St Mary's Primary School is a Catholic school, which makes it a non-government (private) school affiliated with Catholic Education Western Australia.
What year levels does St Mary's Primary School offer?
St Mary's Primary School offers PP to 6. It is classified by ACARA as a primary school.
How many students attend St Mary's Primary School?
In 2025, St Mary's Primary School had 382 enrolled students (196 girls, 186 boys), a change of 5% over five years.
What is the ICSEA of St Mary's Primary School?
St Mary's Primary School has an ICSEA (Index of Community Socio-Educational Advantage) of 1030. The national average is 1000, so this indicates a socio-educational profile close to the national average of 1000. ICSEA reflects the school community, not teaching quality.
How does St Mary's Primary School rank in WA?
St Mary's Primary School ranks 273rd of 583 primary schools in Western Australia on the Success Index (52.5/100), and 2526th of 4,908 nationally.
What is the student-to-teacher ratio at St Mary's Primary School?
St Mary's Primary School has about 15.3 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How many students start Pre-primary at St Mary's Primary School each year?
In 2025, St Mary's Primary School had 58 students in Pre-primary and 53 in Year 6.
Is St Mary's Primary School co-ed?
Yes. St Mary's Primary School is a co-educational school enrolling both girls and boys.
What other schools are near St Mary's Primary School?
There are 10 other schools within 15 km of St Mary's Primary School in our database. Scroll up to the "Nearby schools" section to compare them by Success Index, ICSEA and enrolments, or use the Compare tool.
Where can I get tutoring near St Mary's Primary School?
The closest Success Tutoring centre is Success Tutoring Ellenbrook, about 535 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.