AustraliaWAEast PerthTrinity College

Trinity College

CatholicCombined4-12
East Perth, WA 6004 · Major Cities
Students1,347enrolled
Ratio1:11.3student:teacher
SEIFA10/10advantage decile
School Snapshot
Catholic
Combined · 4-12
ICSEA1113
vs National+113 (avg 1000)
Students1,347
SEIFA10/10
SettingMajor Cities
Visit school website →
Trinity

Key Indicators

How this school compares to national averages

Nat. avg: 1,000
1113+113
ICSEA Score
Nat. avg: 434
1,347
Total Enrolments
Nat. avg: 12.3
11.3:1-1
Student : Teacher
Nat. avg: 26.9%
18%
LBOTE
Nat. avg: 11.7%
4%
Indigenous Students
Higher = less disadvantaged
10 / 10
SEIFA IRSD Decile
Nat. avg: 25%
46%+21pp
SEA Top Quarter
4-12
Year Range

Overview

Trinity College is a catholic combined school in East Perth, Western Australia, serving 4-12. The school has 1,347 enrolled students. Its ICSEA value is 1113 (well above average). The student-to-teacher ratio is 11.3:1. The school is located in a SEIFA IRSD decile 10 area.

Source: ACARA School Profile 2025 (2025)

Key Facts

SectorCatholic
School TypeCombined
Year Range4-12
Governing BodyCatholic Education Western Australia
Postcode6004
RemotenessMajor Cities
ACARA ID48937

Student Background

Total Enrolments1,347
Indigenous Students4%
Language Background Other Than English18%
English Background82%

Socio-Educational Advantage Distribution

Bottom quarter
5%
Lower middle
17%
Upper middle
32%
Top quarter
46%
Source: ACARA School Profile (2025)

Enrolment by Year Level

1,347 students across 9 year levels (2025)

Yr 471
Yr 576
Yr 689
Yr 7192
Yr 8175
Yr 9195
Yr 10191
Yr 11196
See full breakdown
Source: ACARA Enrolments by Grade (2025)

Staffing

Teaching Staff130 (119.1 FTE)
Non-Teaching Staff127 (73.3 FTE)
Total Staff257
Student:Teacher Ratio11.3:1
Source: ACARA School Profile (2025)