St George College vs St Mary's College
St George College (Mile End) is a independent school and St Mary's College (Adelaide) is a catholic school. St George College is co-educational; St Mary's College is a girls’ school. Both teach R-12. St George College has 350 students and St Mary's College has 659 (ACARA 2025). They are about 1.8 km apart in a straight line.
See both schools’ full fees, ATAR results and cost to Year 12
Every year level’s fees from each school’s own schedule, the results each school publishes, and the total cost to Year 12, side by side.
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Key numbers
Students, ICSEA, students per teacher and girls/boys: ACARA My School 2025 (students per teacher is total enrolments divided by full-time-equivalent teaching staff; it isn’t class size).
Fees and results
Side by side
| Fact | St George College | St Mary's College |
|---|---|---|
| Suburb | Mile End | Adelaide |
| Region | Adelaide - West | Adelaide - Central and Hills |
| Sector | Independent | Catholic |
| Students | Co-ed | Girls |
| Year levels | R-12 | R-12 |
| Religion | Greek Orthodox | Catholic (Dominican) |
| Boarding | No | No |
| Senior years | SACE | SACE |
| Facilities and sport (school site) | Early learning centre, Soccer, Netball, Cricket, Basketball, Tennis, Volleyball | Library |
| Distance apart | About 1.8 km in a straight line | |
Facts from ACARA (2025) and each school’s own website.
Which suits whom
- Families wanting a co-educational school: St George College is co-ed.
- Families wanting a single-sex school for a daughter: St Mary's College takes girls only.
- Families choosing by faith: St George College is Greek Orthodox; St Mary's College is Catholic (Dominican).
- Location: St George College is in Mile End (Adelaide - West); St Mary's College is in Adelaide (Adelaide - Central and Hills).
- Size: St Mary's College is the larger school, with 309 more students.
- Smaller ratio: St George College has fewer students per teacher (8.2 against 10.8, ACARA 2025).
- Listed by St George College but not St Mary's College: Early learning centre, Soccer, Netball, Cricket, Basketball, Tennis and Volleyball.
- Listed by St Mary's College but not St George College: Library.
History
St George College
St George College was established in 1983 as the first Orthodox college in South Australia, starting with 31 students in Years 1 to 3. It grew out of the Greek Orthodox Community and Parish of Saint George, Thebarton and Western Suburbs, and it still keeps close ties with that community under an independent board of governors.
Source: sgc.sa.edu.au
St Mary's College
St Mary’s College was founded in 1869 by seven Dominican Sisters who sailed from Dublin to Adelaide to educate girls. They began on Franklin Street in the city, and the school has never left: it is South Australia’s oldest girls’ school still operating.
Source: stmarys.sa.edu.au
Questions parents ask
What is the difference between St George College and St Mary's College?
St George College is co-educational; St Mary's College is a girls’ school. Both teach R-12. St George College has 350 students and St Mary's College has 659 (ACARA 2025).
Is St George College or St Mary's College co-ed?
St George College is co-educational and St Mary's College is a girls’ school.
Which is bigger, St George College or St Mary's College?
St Mary's College is bigger: 659 students against 350 (ACARA 2025).
How many students per teacher do St George College and St Mary's College have?
St George College has 8.2 students per teacher and St Mary's College has 10.8 (ACARA My School 2025: total enrolments divided by full-time-equivalent teaching staff).
Which is older, St George College or St Mary's College?
St Mary's College is older. St George College was founded in 1983 and St Mary's College in 1869.
Do St George College and St Mary's College take boarders?
Neither takes boarders.
How far apart are St George College and St Mary's College?
About 1.8 km in a straight line: St George College is in Mile End and St Mary's College is in Adelaide.
How do St George College and St Mary's College fees compare?
Each school publishes its own fee schedule. Members see both schedules year by year, the results each school reports and the total cost to Year 12. Always confirm current fees with the school.
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School profiles
Get the full picture: fees, ATAR results and cost to Year 12
Every year level’s fees from each school’s own schedule, the results each school publishes, and the total cost to Year 12, side by side.
Compare these schools in full →A$9.99 a year, cancel anytimeSecure payment by Stripe
Source and date
Enrolment, ICSEA, students per teacher and girls/boys: ACARA My School 2025. Other facts: each school’s website, checked 21 October 2026. Distance is a straight line between the schools’ map points, not travel distance. Check details with the schools before deciding. Methodology