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Catholic schoolCombined Years R-9Co-edOuter Regional

St Mary MacKillop School

Updated Oct 2026 · ACARA 2025Wallaroo, South Australia 5556 · Copper Coast LGA

36.6/ 100
Success Index
Lower 50%

#98 of 145 combined schools in SA
#927 of 1,259 nationally

How is this calculated?
Students
139
-17% over 5 years
ICSEA
968
33rd percentile nationally
Students per teacher
9.7
14.4 FTE teachers
Year range
R-9

About St Mary MacKillop School

St Mary MacKillop School is a catholic combined (K–12) school located in Wallaroo, South Australia (5556), within the Copper Coast local government area. It caters for students from R to 9 and in 2025 enrolled 139 students (73 girls and 66 boys). The school is affiliated with Catholic Education South Australia.

St Mary MacKillop School has an ICSEA value of 968, indicating a socio-educational profile close to the national average of 1000. That places it in the 33rd percentile of Australian schools. 9% of students come from the top socio-educational quarter and 43% from the bottom quarter.

The school employs 18 teachers (14.4 full-time equivalent) and 18 non-teaching staff, giving a student-to-teacher ratio of about 9.7 to 1. Enrolments have fallen by 17% over the past five years.

On the Success Index, St Mary MacKillop School scores 36.6 out of 100, placing it in the lower 50% of combined schools nationally and 98th of 145 combined schools in SA (2nd of 4 in the Copper Coast area).

Success Index breakdown

Each component is a percentile against schools of the same type across Australia.

  • Socio-educational advantage (ICSEA) (50%)ICSEA 968
  • Students in the top advantage quarter (15%)9% of students
  • Teacher resourcing (students per teacher) (15%)9.7 students per teacher
  • Enrolment growth vs local area (5 years) (10%)-17% enrolments since 2020 (area median -9%)
  • ICSEA trend (5 years) (10%)-18 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.

St Mary MacKillop School
Bottom quarterLower middleUpper middleTop quarter
Girls
73
Boys
66
Language background other than English
1%
Indigenous students
8%

Enrolments by year level

How St Mary MacKillop School's 139 students are spread across year levels in 2025.

Reception intake
20
Year 7 cohort
4

Enrolment trend

How enrolments at St Mary MacKillop School have changed over the past decade.

1041441842015: 121 students2016: 115 students2017: 117 students2018: 141 students2019: 142 students2020: 167 students2021: 175 students2022: 160 students2023: 141 students2024: 136 students2025: 139 students201520172019202120232025
Total enrolments by year. Source: ACARA school profile data.

Free academic assessment

Is your child on track at St Mary MacKillop School?

Rankings tell you about a school community. A free Success Tutoring assessment tells you about your child: exactly where they are in English and Maths, where the gaps are, and a plan to close them. Small-group, Australian-curriculum tutoring with no lock-in contracts.

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  • English & Maths from Kindergarten to Year 12
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Schools near St Mary MacKillop School

Closest schools by straight-line distance, with their Success Index.

Similar schools

Catholic combined schools in SA with a comparable ICSEA.

Frequently asked questions

Is St Mary MacKillop School a public or private school?

St Mary MacKillop School is a Catholic school, which makes it a non-government (private) school affiliated with Catholic Education South Australia.

What year levels does St Mary MacKillop School offer?

St Mary MacKillop School offers R to 9. It is classified by ACARA as a combined school.

How many students attend St Mary MacKillop School?

In 2025, St Mary MacKillop School had 139 enrolled students (73 girls, 66 boys), a change of -17% over five years.

What is the ICSEA of St Mary MacKillop School?

St Mary MacKillop School has an ICSEA (Index of Community Socio-Educational Advantage) of 968. 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 MacKillop School rank in SA?

St Mary MacKillop School ranks 98th of 145 combined schools in South Australia on the Success Index (36.6/100), and 927th of 1,259 nationally.

What is the student-to-teacher ratio at St Mary MacKillop School?

St Mary MacKillop School has about 9.7 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.

How big is the Year 7 cohort at St Mary MacKillop School?

In 2025, St Mary MacKillop School had 4 students in Year 7.

Is St Mary MacKillop School co-ed?

Yes. St Mary MacKillop School is a co-educational school enrolling both girls and boys.

What other schools are near St Mary MacKillop School?

There are 4 other schools within 15 km of St Mary MacKillop 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 MacKillop School?

The closest Success Tutoring centre is Success Tutoring Windsor Gardens, about 140 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.