Australia›WA›East Perth›Trinity College

Trinity College

CatholicCombined4-12
East Perth, WA 6004 · Major Cities
Students1,347enrolled
Ratio1:11.3student:teacher
SEIFA10/10advantage decile
Staffing
130
teaching staff
FTE Teaching119.1
Non-Teaching127
Student:Teacher11.3:1
Students1,347
Trinity
OverviewEnrolmentStaffCommunityAttendanceAttainmentTrendsSimilarNearby

Key Workforce Metrics

Trinity College has 257 staff members (192.4 FTE), including 130 teachers and 127 non-teaching staff.

Student:Teacher Ratio
11.3:1+0.4
Better than national avg
Teaching Staff
130-0.3 FTE
119.1 FTE
Non-Teaching Staff
127
73.3 FTE
Total Staff
257
25% part-time

Staffing Ratio Comparison

How Trinity College's student-to-teacher ratio compares to state and national averages. A lower ratio generally means more individual attention per student.

Trinity
11.3:1
WA Average
13.1:1
National Average
12.3:1

With a ratio of 11.3:1, this school has a better student-to-teacher ratio than both the WA average (13.1:1) and the national average (12.3:1).

Workforce Composition

Classroom Teachers
130
119.1 FTE
Non-Teaching Staff
127
73.3 FTE
Total Workforce
257
192.4 FTE
FTE (full-time equivalent)Headcount (incl. part-time)
Source: ACARA School Profile (2025)

Staffing Trends — 2016–2025

Teaching staff levels and student-to-teacher ratio over time.

90.2103.9117.6131.3Nat avg118.0112.1106.1108.1114.5115.6108.7114.8119.4119.111.2:111.4:111.7:111.1:110.6:111:111.6:111.5:110.9:111.3:116171819202122232425
FTE Teaching StaffStudent:Teacher RatioNational Avg Ratio
Source: ACARA School Profile (2016–2025)

Staffing History

YearFTE TeachersTotal EnrolmentsStudent:TeacherChange
2025119.11,34711.3:1+0.4
2024119.41,30610.9:1-0.6
2023114.81,32311.5:1-0.1
2022108.71,26211.6:1+0.6
2021115.61,27111:1+0.4
2020114.51,21710.6:1-0.5
2019108.11,20511.1:1-0.6
2018106.11,24511.7:1+0.3
2017112.11,27611.4:1+0.2
2016118.01,32111.2:1—