St Mary's College
Adelaide, South Australia · Catholic · Girls · Prep to Year 12
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Leading tier
a high performing tier on Schools360, reflecting solid results across key areas
S360 score: 75.2%
St Mary's College is a girls', Catholic, Boutique school from Prep to Year 12 in Adelaide, South Australia. It sits in the Leading tier on Schools360. Its strongest area is Learning Environment, where it reaches Distinguished tier. It ranks 2nd among Catholic girls schools in South Australia.
Schools360 scoring overview
The ▾ marker on each bar shows the national median: the middle score among every Australian school Schools360 has assessed.
National median: 71.7%
National median: 78.3%
National median: 76.7%
National median: 80.0%
National median: 75.0%
Schools360 scoring factors
Academic Excellence
Current and previous years NAPLAN test scores assessing academic proficiency for students in years 7 to 10.
Measures of academic achievement, including median ATAR scores and VCE, HSC or equivalent results.
Evaluates students' progress, entry into top-tier universities, postgraduate study, and alumni success.
Student Wellbeing
Focuses on promoting students' physical, mental and emotional health, anti-bullying and school diversity.
Examines support systems such as learning assistance, mentorship, pastoral care and inclusive education.
Tracks initiatives fostering leadership, career readiness, independence, social justice and outdoor education.
Learning Opportunities
Assesses the diversity and quality of the academic curriculum, including specialised subjects and STEM.
Evaluates sports opportunities, facilities, swimming programs and achievements.
Measures the quality and achievements in visual arts, music, drama and artistic progression.
Learning Environment
Assesses teacher qualifications, ratios, satisfaction and instructional methodologies.
Evaluates campus quality, library, modern learning spaces, and open and green spaces for recreation and learning.
Examines the integration of technology, device accessibility, innovative tools and digital literacy initiatives.
Institutional Excellence
Focuses on the vision, strategy, parent involvement, transparency and communication in school governance.
Considers school history, recognition, community engagement, alumni network and school impact.
Examines the school's commitment, strategy, reporting and practices related to environmental sustainability.
Key information
- Affiliation
- Catholic
- Year range
- Prep to Year 12
- Gender
- Girls
- Boarding
- No
- Total enrolments
- 688
- Student:teacher ratio
- 11.7:1
- Location
- Adelaide, South Australia
ICSEA
Index of Community Socio-Educational Advantage
ICSEA measures the socio-educational background of a school’s student population — the occupation and education of families, the school’s geographic location, and the proportion of Indigenous students it enrols. It is not a measure of school quality or performance. The national average is 1000.
Source: ACARA My School. Published by the Australian Curriculum, Assessment and Reporting Authority (ACARA) via the My School website.
NAPLAN
Each score below is shown against the national average — Schools360’s own calculation across the private and independent schools in this dataset with a result at that year level and domain, not a figure ACARA itself publishes, and not every Australian school ACARA tracks. It rests on a single year’s cohort, not a stable multi-year pattern.
2025 NAPLAN results
| Year level | Reading | Writing | Spelling | Grammar and Punctuation | Numeracy |
|---|---|---|---|---|---|
| Year 3 | 407(-31) | 416(-26) | 375(-58) | 375(-73) | 357(-79) |
| Year 5 | 486(-35) | 485(-23) | 473(-37) | 484(-48) | 461(-63) |
| Year 7 | 538(-28) | 550(-19) | 542(-18) | 540(-29) | 511(-65) |
| Year 9 | 589(-7) | 609(-2) | 568(-18) | 576(-18) | 567(-38) |
- Year level
- Year 3
- Reading
- 407(-31)
- Writing
- 416(-26)
- Spelling
- 375(-58)
- Grammar and Punctuation
- 375(-73)
- Numeracy
- 357(-79)
- Year level
- Year 5
- Reading
- 486(-35)
- Writing
- 485(-23)
- Spelling
- 473(-37)
- Grammar and Punctuation
- 484(-48)
- Numeracy
- 461(-63)
- Year level
- Year 7
- Reading
- 538(-28)
- Writing
- 550(-19)
- Spelling
- 542(-18)
- Grammar and Punctuation
- 540(-29)
- Numeracy
- 511(-65)
- Year level
- Year 9
- Reading
- 589(-7)
- Writing
- 609(-2)
- Spelling
- 568(-18)
- Grammar and Punctuation
- 576(-18)
- Numeracy
- 567(-38)
Source: ACARA My School, 2025. Published by the Australian Curriculum, Assessment and Reporting Authority (ACARA) via the My School website.
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Common questions
What year levels does St Mary's College teach?
St Mary's College teaches Prep to Year 12.
Is St Mary's College a boys, girls or co-ed school?
St Mary's College is a Girls school.
What sector is St Mary's College in?
St Mary's College is classified as Catholic.
Does St Mary's College offer boarding?
No, St Mary's College does not offer boarding.
How many students attend St Mary's College?
St Mary's College has 688 students.
What is the student to teacher ratio at St Mary's College?
St Mary's College's student to teacher ratio is 11.7 to 1.
What Schools360 tier does St Mary's College sit in?
St Mary's College sits in the Leading tier, a high performing tier on Schools360, reflecting solid results across key areas.
What is St Mary's College's strongest area on Schools360?
St Mary's College's strongest area is Learning Environment, reaching Distinguished tier.
Where does St Mary's College rank?
St Mary's College ranks 2nd among Catholic girls schools in South Australia.
Where is St Mary's College located?
St Mary's College is located in Adelaide, South Australia.