Overview
Trinity College Colac is a catholic secondary school in Colac, Victoria, serving 7-12. The school has 744 enrolled students. Its ICSEA value is 1015 (average). The student-to-teacher ratio is 10.8:1. The school is located in a SEIFA IRSD decile 1 area.
Source: ACARA School Profile 2025 (2025)
Key Facts
SectorCatholic
School TypeSecondary
Year Range7-12
Governing BodyVictorian Catholic Education Authority
Postcode3250
LGAColac-Otway (S)
RemotenessInner Regional
ACARA ID45710
Student Background
Total Enrolments744
Gender Split379 girls / 365 boys
Indigenous Students2%
Language Background Other Than English9%
English Background91%
Socio-Educational Advantage Distribution
Source: ACARA School Profile (2025)
Enrolment by Year Level
744 students across 6 year levels (2025)
Yr 7154
Yr 8136
Yr 9112
Yr 10130
Yr 11124
Yr 1288
Source: ACARA Enrolments by Grade (2025)
Staffing
Teaching Staff76 (68.6 FTE)
Non-Teaching Staff54 (38.5 FTE)
Total Staff130
Student:Teacher Ratio10.8:1
Source: ACARA School Profile (2025)