Enrolment
Girls vs boys enrolment
1,313
reported total enrolments
644 girls
669 boys
49% girls51% boys
Trinity Catholic College reports 1,313 total enrolments, including 644 girls and 669 boys. The reported enrolment mix is 49% girls and 51% boys.
2025 Australia school profile data
Trinity Catholic College
Trinity Catholic College is a catholic secondary school in Auburn, New South Wales, with 1,313 reported enrolments, a student-teacher ratio of 12.7:1, and an ICSEA percentile of 54.
Auburn, NSW 2144CatholicSecondary7-12
CatholicSecondaryCo-educational
Quick school snapshot
What stands out in the profile
School model
Trinity Catholic College is listed as Catholic and Secondary, with a reported year range of 7-12.
Enrolment size
The school reports 1,313 total enrolments, including 644 girls and 669 boys where available.
ICSEA context
The ICSEA value is 1,016, with percentile 54 in the current dataset.
Gender profile
The gender type is Co-educational, with a reported mix of 49% girls and 51% boys.
Staff ratio
The student-teacher ratio is 12.7:1, based on 103.1 FTE teaching staff where available.
Local area
The campus is in Auburn, New South Wales, within Cumberland.
Profile signals
School profile dashboard
The main student and context indicators are shown visually so the profile reads like a school intelligence page, not a spreadsheet.
Trinity Catholic College profile summary
Trinity Catholic College is listed as a catholic secondary school in Auburn, New South Wales. The profile reports 1,313 total enrolments, an ICSEA value of 1,016, and a student-teacher ratio of 12.7:1 where available. The reported year range is 7-12, and the campus sits within Cumberland local government area.
Socio-educational
ICSEA percentile
54
percentile where available
ICSEA
1,016
Trinity Catholic College sits at the 54 ICSEA percentile in the reported dataset.
SEA quarters
Socio-educational distribution
Bottom
31%
Lower-middle
30%
Upper-middle
26%
Top
13%
The socio-educational distribution lists 31% in the bottom quarter, 30% in the lower-middle quarter, 26% in the upper-middle quarter, and 13% in the top quarter.
Staff
Staff profile summary
Teaching staff
112
FTE teaching
103.1
Non-teaching
41
Student-teacher
12.7:1
The profile reports 112 teaching staff and 41 non-teaching staff, with a student-teacher ratio of 12.7:1.
Location
Campus location and area context
Location context combines suburb, postcode, administrative areas and a direct maps link where data is available.
- Suburb
- Auburn
- Postcode
- 2144
- State
- New South Wales
- Local government area
- Cumberland
- Statistical Area Level 2
- Auburn - Central
- Statistical Area Level 3
- Auburn
- Statistical Area Level 4
- Sydney - Parramatta
- Remoteness area
- Major Cities
Governance
Governance and official links
Official school and governing body links are included when the dataset provides them.
- Governing body
- Catholic Schools NSW
- Governing body URL
- Visit website
- School URL
- Visit school website
- Campus type
- School Head Campus
- Reporting description
- Rolled Reporting
Community
Student community profile
Student community indicators are reported as percentages where available.
- Indigenous enrolment
- 1%
- Language background other than English: yes
- 94%
- Language background other than English: no
- 6%
- Language background other than English: not stated
- 0%
Nearby
Nearby and similar schools
Similar schools are selected from the same suburb first, then from the same local government area where needed.
IndependentCombined
Al-Faisal College
Auburn, NSW 2144
Same suburb
- Enrol.
- 2.3K
- ICSEA
- 1,077
- Ratio
- 15.8:1
IndependentSecondary
Alpha Omega Senior College
Auburn, NSW 2144
Same suburb
- Enrol.
- 822
- ICSEA
- 1,111
- Ratio
- 13.5:1
GovernmentSecondary
Auburn Girls High School
Auburn, NSW 2144
Same suburb
- Enrol.
- 854
- ICSEA
- 966
- Ratio
- 12.7:1
GovernmentPrimary
Auburn North Public School
Auburn, NSW 2144
Same suburb
- Enrol.
- 645
- ICSEA
- 1,015
- Ratio
- 15.9:1
GovernmentPrimary
Auburn Public School
Auburn, NSW 2144
Same suburb
- Enrol.
- 486
- ICSEA
- 983
- Ratio
- 11.5:1
GovernmentPrimary
Auburn West Public School
Auburn, NSW 2144
Same suburb
- Enrol.
- 572
- ICSEA
- 928
- Ratio
- 12.7:1
FAQ
Questions about Trinity Catholic College
How many students attend Trinity Catholic College?
Trinity Catholic College has 1,313 reported total enrolments. The student profile lists 644 girls and 669 boys where gender enrolment fields are available.
What type of school is Trinity Catholic College?
Trinity Catholic College is listed as a Catholic school with school type Secondary. The reported year range is 7-12.
Where is Trinity Catholic College located?
Trinity Catholic College is located in Auburn, NSW 2144. The local government area is Cumberland.
What is the ICSEA value of Trinity Catholic College?
The ICSEA value for Trinity Catholic College is 1,016 and the ICSEA percentile is 54. If either value is missing in the source data, it is shown as Not available rather than zero.
Is Trinity Catholic College boys-only, girls-only or co-educational?
Trinity Catholic College is listed as Co-educational. The reported gender mix is 49% girls and 51% boys where percentage fields are available.
Data note
Built from structured 2025 school profile data
This page uses structured 2025 Australian school profile data. Some values may be unavailable where they are not reported in the source dataset. Profile pages are designed to make enrolment, ICSEA, location and school context easier to compare.