Seymour College
Updated Oct 2026 · ACARA 2025Glen Osmond, South Australia 5064 · Burnside LGA
#12 of 145 combined schools in SA
#165 of 1,259 nationally
About Seymour College
Seymour College is an independent girls' combined (K–12) school located in Glen Osmond, South Australia (5064), within the Burnside local government area. It caters for students from R to 12 and in 2025 enrolled 715 students. The school is affiliated with Association of Independent Schools of SA.
Seymour College has an ICSEA value of 1150, indicating exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. That places it in the 95th percentile of Australian schools. 61% of students come from the top socio-educational quarter and 4% from the bottom quarter.
The school employs 73 teachers (66.3 full-time equivalent) and 68 non-teaching staff, giving a student-to-teacher ratio of about 10.8 to 1. Enrolments have fallen by 4% over the past five years.
On the Success Index, Seymour College scores 76.2 out of 100, placing it in the top 25% of combined schools nationally and 12th of 145 combined schools in SA (3rd of 3 in the Burnside area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1150
- Students in the top advantage quarter (15%)61% of students
- Teacher resourcing (students per teacher) (15%)10.8 students per teacher
- Enrolment growth vs local area (5 years) (10%)-4% enrolments since 2020 (area median +1%)
- ICSEA trend (5 years) (10%)+5 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 Seymour College's 715 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Seymour College have changed over the past decade.
Free academic assessment
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Schools near Seymour College
Closest schools by straight-line distance, with their Success Index.
Glen Osmond Primary School
Myrtle Bank · Government primary · R-6
363 students · ICSEA 1143 · 821 m away
Linden Park Primary School
Linden Park · Government primary · R-6
981 students · ICSEA 1160 · 910 m away
Glenunga International High School
Glenunga · Government high school · 7-12
2,340 students · ICSEA 1153 · 1.2 km away
Sunrise Christian School Fullarton
Fullarton · Independent primary · R-6
175 students · ICSEA 1133 · 2.2 km away
Urrbrae Agricultural High School
Netherby · Government high school · 7-12
1,102 students · ICSEA 1074 · 2.3 km away
Highgate School
Highgate · Government primary · U, R-6
616 students · ICSEA 1150 · 2.3 km away
St Patrick's Special School
Dulwich · Catholic special · U
51 students · ICSEA 1115 · 2.4 km away
St Raphael's School
Parkside · Catholic primary · R-6
96 students · ICSEA 1048 · 2.4 km away
Concordia College
Highgate · Independent combined · R-12
1,312 students · ICSEA 1140 · 2.6 km away
Burnside Primary School
Burnside · Government primary · R-6
686 students · ICSEA 1156 · 2.7 km away
Similar schools
Independent combined schools in SA with a comparable ICSEA.
Scotch College
Torrens Park · Independent combined · R-12
1,213 students · ICSEA 1146
Prince Alfred College
Kent Town · Independent combined · R-12
1,127 students · ICSEA 1143
St John's Grammar School
Belair · Independent combined · R-12
1,009 students · ICSEA 1141
Concordia College
Highgate · Independent combined · R-12
1,312 students · ICSEA 1140
Westminster School
Marion · Independent combined · R-12
1,401 students · ICSEA 1139
Walford Anglican School for Girls
Hyde Park · Independent combined · R-12
400 students · ICSEA 1162
Frequently asked questions
Is Seymour College a public or private school?
Seymour College is a Independent school, which makes it a non-government (private) school affiliated with Association of Independent Schools of SA.
What year levels does Seymour College offer?
Seymour College offers R to 12. It is classified by ACARA as a combined school.
How many students attend Seymour College?
In 2025, Seymour College had 715 enrolled students (715 girls, 0 boys), a change of -4% over five years.
What is the ICSEA of Seymour College?
Seymour College has an ICSEA (Index of Community Socio-Educational Advantage) of 1150. The national average is 1000, so this indicates exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. ICSEA reflects the school community, not teaching quality.
How does Seymour College rank in SA?
Seymour College ranks 12th of 145 combined schools in South Australia on the Success Index (76.2/100), and 165th of 1,259 nationally.
What is the student-to-teacher ratio at Seymour College?
Seymour College has about 10.8 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Seymour College?
In 2025, Seymour College had 51 students in Year 7 and 98 in Year 12.
Is Seymour College co-ed?
No. Seymour College is a girls' school.
What other schools are near Seymour College?
There are 10 other schools within 15 km of Seymour College 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 Seymour College?
The closest Success Tutoring centre is Success Tutoring Windsor Gardens, about 10 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.