Seaview High School
Updated Oct 2026 · ACARA 2025Seacombe Heights, South Australia 5047 · Marion LGA
About Seaview High School
Seaview High School is a public high school located in Seacombe Heights, South Australia (5047), within the Marion local government area. It caters for students from U, 7 to 12 and in 2025 enrolled 1,377 students (695 girls and 682 boys).
Seaview High School has an ICSEA value of 1038, indicating a socio-educational profile close to the national average of 1000. That places it in the 63rd percentile of Australian schools. 17% of students come from the top socio-educational quarter and 21% from the bottom quarter.
The school employs 97 teachers (89.9 full-time equivalent) and 39 non-teaching staff, giving a student-to-teacher ratio of about 15.3 to 1. Enrolments have grown by 57% over the past five years.
On the Success Index, Seaview High School scores 61.3 out of 100, placing it in the top 50% of secondary schools nationally and 24th of 84 secondary schools in SA (1st of 2 in the Marion area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1038
- Students in the top advantage quarter (15%)17% of students
- Teacher resourcing (students per teacher) (15%)15.3 students per teacher
- Enrolment growth vs local area (5 years) (10%)+57% enrolments since 2020
- ICSEA trend (5 years) (10%)+13 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 Seaview High School's 1,377 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Seaview High School have changed over the past decade.
Free academic assessment
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Schools near Seaview High School
Closest schools by straight-line distance, with their Success Index.
Darlington Primary School
Seacombe Gardens · Government primary · U, R-6
184 students · ICSEA 964 · 317 m away
Stella Maris Parish School
Seacombe Gardens · Catholic primary · R-6
429 students · ICSEA 1086 · 425 m away
Seaview Downs Primary School
Seaview Downs · Government primary · R-6
324 students · ICSEA 1051 · 1.6 km away
Sunrise Christian School Marion
Marion · Independent combined · R-9
320 students · ICSEA 1090 · 1.7 km away
Suneden Specialist School
Mitchell Park · Independent special · U
72 students · ICSEA 1065 · 2.1 km away
Seacliff Primary School
Seacliff · Government primary · R-6
356 students · ICSEA 1094 · 2.3 km away
Australian Science and Mathematics School
Bedford Park · Government high school · 10-12
419 students · ICSEA 1101 · 2.4 km away
Brighton Primary School
Brighton · Government primary · U, R-6
726 students · ICSEA 1077 · 2.5 km away
IQRA College
O'Halloran Hill · Independent combined · R-12
734 students · ICSEA 1067 · 2.5 km away
Christ the King School
Warradale · Catholic primary · R-6
179 students · ICSEA 1079 · 2.5 km away
Similar schools
Government secondary schools in SA with a comparable ICSEA.
Aberfoyle Park High School
Aberfoyle Park · Government high school · 7-12
906 students · ICSEA 1039
Marden Senior College
Marden · Government high school · U, 11-12
496 students · ICSEA 1041
Henley High School
Henley Beach · Government high school · U, 7-12
1,381 students · ICSEA 1045
Springbank Secondary College
Pasadena · Government high school · U, 7-12
249 students · ICSEA 1021
Blackwood High School
Eden Hills · Government high school · 7-12
1,211 students · ICSEA 1059
Mount Barker High School
Mount Barker · Government high school · U, 7-12
1,061 students · ICSEA 1010
Frequently asked questions
Is Seaview High School a public or private school?
Seaview High School is a public (government) school run by the South Australia education department.
What year levels does Seaview High School offer?
Seaview High School offers U, 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Seaview High School?
In 2025, Seaview High School had 1,377 enrolled students (695 girls, 682 boys), a change of 57% over five years.
What is the ICSEA of Seaview High School?
Seaview High School has an ICSEA (Index of Community Socio-Educational Advantage) of 1038. 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 Seaview High School rank in SA?
Seaview High School ranks 24th of 84 secondary schools in South Australia on the Success Index (61.3/100), and 481st of 1,472 nationally.
What is the student-to-teacher ratio at Seaview High School?
Seaview High School has about 15.3 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Seaview High School?
In 2025, Seaview High School had 233 students in Year 7 and 215 in Year 12.
Is Seaview High School co-ed?
Yes. Seaview High School is a co-educational school enrolling both girls and boys.
What other schools are near Seaview High School?
There are 10 other schools within 15 km of Seaview High 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 Seaview High School?
The closest Success Tutoring centre is Success Tutoring Windsor Gardens, about 21 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.