Catholic co-ed secondary in Colac, regional Victoria; 744 students in years 7–12.
NAPLAN in line with national year-level averages and a median ATAR of 64.0; the result is a B overall.
Trinity College Colac is also known as Trinity Colac.
Median ATAR 64.0 ranks #278 of 522 Victoria schools. Within Victoria Catholic schools, ranks #64 of 91.
Trinity College Colac has an overall SchoolRank score of 53.6/100, rated "Average". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school scores 53/100, indicating moderate performance relative to other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 1015, above the national average of 1,000.
In 2025 NAPLAN testing at Trinity College Colac, Year 7 students averaged 546 across the tested NAPLAN domains, in line with the national average of 540 for that year level, and Year 9 students averaged 568, in line with the national average of 569 for that year level. Relative to national year-level averages, the school's strongest domain is Numeracy. National averages are specific to each year level, because NAPLAN scores are scaled so older year levels score higher, a school-wide average can't be compared with a single national figure.
Trinity College Colac is a medium-sized catholic secondary school with approximately 744 students. It offers education for years 7-12. As a catholic school, enrolment typically involves an application process. Contact the school directly for enrolment criteria, waiting lists, and open day information.
Trinity College Colac has approximate annual tuition fees of $3,765. Actual fees may vary by year level, and additional costs for uniforms, camps, and extracurricular activities typically apply. The school's value score is 49/100, which measures academic outcomes relative to the cost of attendance.
Trinity College Colac has a student-to-teacher ratio of 10.8:1. This is below the national average of approximately 14:1, meaning students generally receive more individual attention. Support staff make up 36% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 88%, which is moderate.
Trinity College Colac has a median ATAR of 64.0.
Trinity College Colac is located in Colac, VIC, classified as a inner regional school. With an ICSEA of 1015 (54th percentile), the school community's socio-educational advantage is around the national average. ICSEA measures the educational advantage of a school's community, not the school's quality, a lower ICSEA school with strong academic scores may indicate particularly effective teaching.