Seymour College vs St Peter's Collegiate Girls' School
Seymour College (Glen Osmond) and St Peter's Collegiate Girls' School (Stonyfell) are both independent schools in Adelaide. Both are a girls’ school. Both teach R-12. Only Seymour College takes boarders. Seymour College has 715 students and St Peter's Collegiate Girls' School has 873 (ACARA 2025).
Photos: Seymour College (school website) · St Peter's Collegiate Girls' School (school website)
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 | Seymour College | St Peter's Collegiate Girls' School |
|---|---|---|
| Suburb | Glen Osmond | Stonyfell |
| Region | Adelaide - Central and Hills | Adelaide - Central and Hills |
| Sector | Independent | Independent |
| Students | Girls | Girls |
| Year levels | R-12 | R-12 |
| Religion | Uniting Church | Anglican |
| Boarding | Yes | No |
| Senior years | SACE | SACE + IB Diploma |
| Facilities and sport (school site) | Swimming pool, Gym, Oval, Indoor sports centre, Theatre / performing arts centre, Boarding, Early learning centre, Library, Science / STEM labs, Australian rules football, Soccer, Netball, Cricket, Basketball, Rowing, Swimming, Athletics, Tennis, Hockey, Volleyball, Badminton, Water polo | Swimming pool, Gym, Oval, Early learning centre, Library, Science / STEM labs, Tennis courts, Australian rules football, Soccer, Netball, Cricket, Basketball, Rowing, Swimming, Athletics, Tennis, Hockey, Volleyball, Badminton, Water polo |
Facts from ACARA (2025) and each school’s own website.
Which suits whom
- Families needing boarding: only Seymour College takes boarders.
- Students wanting the IB Diploma: St Peter's Collegiate Girls' School lists it on its website; Seymour College does not confirm it.
- Families choosing by faith: Seymour College is Uniting Church; St Peter's Collegiate Girls' School is Anglican.
- Size: St Peter's Collegiate Girls' School is the larger school, with 158 more students.
- Listed by Seymour College but not St Peter's Collegiate Girls' School: Indoor sports centre, Theatre / performing arts centre and Boarding.
- Listed by St Peter's Collegiate Girls' School but not Seymour College: Tennis courts.
History
Seymour College
Seymour College opened in 1922 as Presbyterian Girls’ College, with about 100 girls across five year levels and the Reverend Dr Herbert Postle as its first principal. Its home at Glen Osmond centres on Barr Smith House, a mansion built in 1861 as Wootton Lea, which over the years has housed boarders, art classes, swimming lessons and principals.
Source: seymour.sa.edu.au
St Peter's Collegiate Girls' School
St Peter’s Girls was opened in 1894 by the Community of the Sisters of the Church, an Anglican order founded in London in 1870, whose sisters came to Adelaide in 1892 at Bishop Kennion’s invitation. It started with four pupils in Kermode Street, North Adelaide, where the Women’s and Children’s Hospital now stands.
Source: en.wikipedia.org
Questions parents ask
What is the difference between Seymour College and St Peter's Collegiate Girls' School?
Both are a girls’ school. Both teach R-12. Only Seymour College takes boarders.
Is Seymour College or St Peter's Collegiate Girls' School co-ed?
Both are a girls’ school.
Which is bigger, Seymour College or St Peter's Collegiate Girls' School?
St Peter's Collegiate Girls' School is bigger: 873 students against 715 (ACARA 2025).
How many students per teacher do Seymour College and St Peter's Collegiate Girls' School have?
Seymour College has 10.8 students per teacher and St Peter's Collegiate Girls' School has 11.4 (ACARA My School 2025: total enrolments divided by full-time-equivalent teaching staff).
Which is older, Seymour College or St Peter's Collegiate Girls' School?
St Peter's Collegiate Girls' School is older. Seymour College was founded in 1922 and St Peter's Collegiate Girls' School in 1894.
Do Seymour College and St Peter's Collegiate Girls' School take boarders?
Only Seymour College takes boarders.
How do Seymour College and St Peter's Collegiate Girls' School 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