Trinity College Gawler River
Updated Oct 2026 · ACARA 2025Angle Vale, South Australia 5117 · Playford LGA
#80 of 145 combined schools in SA
#831 of 1,259 nationally
About Trinity College Gawler River
Trinity College Gawler River is an independent combined (K–12) school located in Angle Vale, South Australia (5117), within the Playford local government area. It caters for students from R to 10 and in 2025 enrolled 970 students (471 girls and 499 boys). The school is affiliated with Association of Independent Schools of SA.
Trinity College Gawler River has an ICSEA value of 1032, indicating a socio-educational profile close to the national average of 1000. That places it in the 61st percentile of Australian schools. 14% of students come from the top socio-educational quarter and 21% from the bottom quarter.
The school employs 74 teachers (59.5 full-time equivalent) and 115 non-teaching staff, giving a student-to-teacher ratio of about 16.3 to 1. Enrolments have grown by 14% over the past five years.
On the Success Index, Trinity College Gawler River scores 41.4 out of 100, placing it in the lower 50% of combined schools nationally and 80th of 145 combined schools in SA (3rd of 10 in the Playford area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1032
- Students in the top advantage quarter (15%)14% of students
- Teacher resourcing (students per teacher) (15%)16.3 students per teacher
- Enrolment growth vs local area (5 years) (10%)+14% enrolments since 2020 (area median +19%)
- ICSEA trend (5 years) (10%)+4 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 Trinity College Gawler River's 970 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Trinity College Gawler River have changed over the past decade.
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Schools near Trinity College Gawler River
Closest schools by straight-line distance, with their Success Index.
Angle Vale Primary School
Angle Vale · Government primary · R-6
383 students · ICSEA 963 · 510 m away
Riverbanks College B-12
Angle Vale · Government combined · U, R-12
1,393 students · ICSEA 955 · 1.5 km away
St Columba College
Andrews Farm · Catholic combined · R-12
1,519 students · ICSEA 973 · 4.1 km away
Adelaide North Special School
Munno Para West · Government special · U
178 students · ICSEA 964 · 4.4 km away
Mark Oliphant College (B-12)
Munno Para West · Government combined · U, R-12
1,685 students · ICSEA 919 · 4.4 km away
John Hartley School B-6
Smithfield Plains · Government primary · U, R-6
685 students · ICSEA 903 · 5.2 km away
Compass Catholic Community
Davoren Park · Catholic special · 12
139 students · ICSEA 916 · 5.7 km away
Munno Para Primary School
Munno Para · Government primary · U, R-6
305 students · ICSEA 929 · 6.0 km away
Swallowcliffe School P-6
Davoren Park · Government primary · U, R-6
423 students · ICSEA 917 · 6.6 km away
Evanston Gardens Primary School
Evanston Gardens · Government primary · R-6
263 students · ICSEA 943 · 6.8 km away
Similar schools
Independent combined schools in SA with a comparable ICSEA.
Sunrise Christian School Naracoorte
Naracoorte · Independent combined · R-9
109 students · ICSEA 1032
Garden College
Parafield Gardens · Independent combined · R-12
351 students · ICSEA 1029
St Martins Lutheran College
Mount Gambier · Independent combined · R-12
810 students · ICSEA 1028
Prescott College Southern
Morphett Vale · Independent combined · R-12
707 students · ICSEA 1036
Trinity College Blakeview
Blakeview · Independent combined · R-10
635 students · ICSEA 1037
Southern Vales Christian College
Morphett Vale · Independent combined · R-12
503 students · ICSEA 1038
Frequently asked questions
Is Trinity College Gawler River a public or private school?
Trinity College Gawler River is a Independent school, which makes it a non-government (private) school affiliated with Association of Independent Schools of SA.
What year levels does Trinity College Gawler River offer?
Trinity College Gawler River offers R to 10. It is classified by ACARA as a combined school.
How many students attend Trinity College Gawler River?
In 2025, Trinity College Gawler River had 970 enrolled students (471 girls, 499 boys), a change of 14% over five years.
What is the ICSEA of Trinity College Gawler River?
Trinity College Gawler River has an ICSEA (Index of Community Socio-Educational Advantage) of 1032. 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 Trinity College Gawler River rank in SA?
Trinity College Gawler River ranks 80th of 145 combined schools in South Australia on the Success Index (41.4/100), and 831st of 1,259 nationally.
What is the student-to-teacher ratio at Trinity College Gawler River?
Trinity College Gawler River has about 16.3 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Trinity College Gawler River?
In 2025, Trinity College Gawler River had 92 students in Year 7.
Is Trinity College Gawler River co-ed?
Yes. Trinity College Gawler River is a co-educational school enrolling both girls and boys.
What other schools are near Trinity College Gawler River?
There are 10 other schools within 15 km of Trinity College Gawler River 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 Trinity College Gawler River?
The closest Success Tutoring centre is Success Tutoring Windsor Gardens, about 25 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.