Investigator College
Updated Oct 2026 · ACARA 2025Victor Harbor, South Australia 5211 · Victor Harbor LGA
#29 of 145 combined schools in SA
#448 of 1,259 nationally
About Investigator College
Investigator College is an independent combined (K–12) school located in Victor Harbor, South Australia (5211), within the Victor Harbor local government area. It caters for students from R to 12 and in 2025 enrolled 668 students (332 girls and 336 boys). The school is affiliated with Association of Independent Schools of SA.
Investigator College has an ICSEA value of 1065, indicating above-average socio-educational advantage. That places it in the 74th percentile of Australian schools. 26% of students come from the top socio-educational quarter and 13% from the bottom quarter.
The school employs 58 teachers (54.3 full-time equivalent) and 35 non-teaching staff, giving a student-to-teacher ratio of about 12.3 to 1. Enrolments have remained steady over the past five years.
On the Success Index, Investigator College scores 60.9 out of 100, placing it in the top 50% of combined schools nationally and 29th of 145 combined schools in SA (1st of 2 in the Victor Harbor area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1065
- Students in the top advantage quarter (15%)26% of students
- Teacher resourcing (students per teacher) (15%)12.3 students per teacher
- Enrolment growth vs local area (5 years) (10%)+2% 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 Investigator College's 668 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Investigator College have changed over the past decade.
Free academic assessment
Is your child on track at Investigator College?
Rankings tell you about a school community. A free Success Tutoring assessment tells you about your child: exactly where they are in English and Maths, where the gaps are, and a plan to close them. Small-group, Australian-curriculum tutoring with no lock-in contracts.
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Schools near Investigator College
Closest schools by straight-line distance, with their Success Index.
Victor Harbor High School
Victor Harbor · Government high school · U, 7-12
633 students · ICSEA 974 · 1.1 km away
Victor Harbor Primary School
Victor Harbor · Government primary · U, R-6
454 students · ICSEA 963 · 2.8 km away
Encounter Lutheran College
Victor Harbor · Independent combined · R-12
748 students · ICSEA 1048 · 4.5 km away
Port Elliot Primary School
Port Elliot · Government primary · R-6
351 students · ICSEA 990 · 7.9 km away
Similar schools
Independent combined schools in SA with a comparable ICSEA.
Portside Christian College
New Port · Independent combined · R-12
626 students · ICSEA 1067
IQRA College
O'Halloran Hill · Independent combined · R-12
734 students · ICSEA 1067
Tatachilla Lutheran College
Mclaren Vale · Independent combined · R-12
1,103 students · ICSEA 1068
Faith Lutheran College
Tanunda · Independent combined · R-12
816 students · ICSEA 1060
Woodcroft College
Morphett Vale · Independent combined · R-12
1,534 students · ICSEA 1071
Willunga Waldorf School
Willunga · Independent combined · R-12
390 students · ICSEA 1072
Frequently asked questions
Is Investigator College a public or private school?
Investigator 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 Investigator College offer?
Investigator College offers R to 12. It is classified by ACARA as a combined school.
How many students attend Investigator College?
In 2025, Investigator College had 668 enrolled students (332 girls, 336 boys), a change of 2% over five years.
What is the ICSEA of Investigator College?
Investigator College has an ICSEA (Index of Community Socio-Educational Advantage) of 1065. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Investigator College rank in SA?
Investigator College ranks 29th of 145 combined schools in South Australia on the Success Index (60.9/100), and 448th of 1,259 nationally.
What is the student-to-teacher ratio at Investigator College?
Investigator College has about 12.3 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Investigator College?
In 2025, Investigator College had 72 students in Year 7 and 53 in Year 12.
Is Investigator College co-ed?
Yes. Investigator College is a co-educational school enrolling both girls and boys.
What other schools are near Investigator College?
There are 4 other schools within 15 km of Investigator 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 Investigator College?
The closest Success Tutoring centre is Success Tutoring Windsor Gardens, about 77 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.