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Trinity Catholic College

CatholicSecondary7-12
Auburn, NSW 2144 · Major Cities
1,313Students
1016ICSEA
1:12.7Ratio
5/10SEIFA
Trinity Catholic
OverviewEnrolmentStaffCommunityAttendanceAttainmentTrendsSimilarNearby

Key Workforce Metrics

Trinity Catholic College has 153 staff members (131.9 FTE), including 112 teachers and 41 non-teaching staff.

Student:Teacher Ratio
12.7:1+0.1
Above national avg
Teaching Staff
112-0.6 FTE
103.1 FTE
Non-Teaching Staff
41
28.8 FTE
Total Staff
153
14% part-time

Staffing Ratio Comparison

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

Trinity Catholic
12.7:1
NSW Average
12.7:1
National Average
12.3:1

With a ratio of 12.7:1, this school's ratio is in line with the NSW average (12.7:1) and the national average (12.3:1).

Workforce Composition

Classroom Teachers
112
103.1 FTE
Non-Teaching Staff
41
28.8 FTE
Total Workforce
153
131.9 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.

81.392.2103.1114.1Nat avg99.395.698.698.297.2102.5103.498.6103.7103.112.2:112.8:112.5:112.6:112.9:112.6:112.6:113.1:112.6:112.7:116171819202122232425
FTE Teaching StaffStudent:Teacher RatioNational Avg Ratio
Source: ACARA School Profile (2016–2025)

Staffing History

YearFTE TeachersTotal EnrolmentsStudent:TeacherChange
2025103.11,31312.7:1+0.1
2024103.71,30312.6:1-0.5
202398.61,29413.1:1+0.5
2022103.41,29812.6:10
2021102.51,29312.6:1-0.3
202097.21,25712.9:1+0.3
201998.21,23612.6:1+0.1
201898.61,23512.5:1-0.3
201795.61,22712.8:1+0.6
201699.31,20812.2:1—