AustraliaSAEvanston SouthTrinity College South

Trinity College South

IndependentCombinedR-10
Evanston South, SA 5116 · Major Cities
Students957enrolled
Ratio1:15.5student:teacher
SEIFA3/10advantage decile
School Snapshot
Independent
Combined · R-10
ICSEA1039
vs National+39 (avg 1000)
Students957
SEIFA3/10
SettingMajor Cities
Visit school website →
Trinity

Key Indicators

How this school compares to national averages

Nat. avg: 1,000
1039+39
ICSEA Score
Nat. avg: 434
957
Total Enrolments
Nat. avg: 12.3
15.5:1+3.2
Student : Teacher
Nat. avg: 26.9%
17%
LBOTE
Nat. avg: 11.7%
3%
Indigenous Students
Higher = less disadvantaged
3 / 10
SEIFA IRSD Decile
Nat. avg: 25%
17%-8pp
SEA Top Quarter
R-10
Year Range

Overview

Trinity College South is a independent combined school in Evanston South, South Australia, serving R-10. The school has 957 enrolled students. Its ICSEA value is 1039 (average). The student-to-teacher ratio is 15.5:1. The school is located in a SEIFA IRSD decile 3 area.

Source: ACARA School Profile 2025 (2025)

Key Facts

SectorIndependent
School TypeCombined
Year RangeR-10
Governing BodyAssociation of Independent Schools of SA
Postcode5116
RemotenessMajor Cities
ACARA ID49820

Student Background

Total Enrolments957
Gender Split460 girls / 497 boys
Indigenous Students3%
Language Background Other Than English17%
English Background83%

Socio-Educational Advantage Distribution

Bottom quarter
19%
Lower middle
34%
Upper middle
30%
Top quarter
17%
Source: ACARA School Profile (2025)

Enrolment by Year Level

957 students across 11 year levels (2025)

One year before Yr 155
Yr 156
Yr 287
Yr 386
Yr 489
Yr 560
Yr 660
Yr 7118
See full breakdown
Source: ACARA Enrolments by Grade (2025)

Staffing

Teaching Staff76 (61.6 FTE)
Non-Teaching Staff107 (29.2 FTE)
Total Staff183
Student:Teacher Ratio15.5:1
Source: ACARA School Profile (2025)