Government co-ed secondary school (Years 7–12) in Colac, Victoria; 476 students in an inner regional location.
NAPLAN 16 points below national year-level averages and a median ATAR of 53.0; the result is a B- overall.
Colac Secondary College is also known as Colac SC and CSC Colac.
Median ATAR 53.0 ranks #434 of 522 Victoria schools. Within Victoria Government schools, ranks #220 of 295.
Colac Secondary College draws students from the Colac Secondary College (and 1 more zone).
Colac Secondary College has an overall SchoolRank score of 48.5/100, rated "Average". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school scores 46/100, indicating developing performance relative to other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 955, slightly below the national average of 1,000.
In 2025 NAPLAN testing at Colac Secondary College, Year 7 students averaged 519 across the tested NAPLAN domains, below the national average of 540 for that year level, and Year 9 students averaged 558, below the national average of 569 for that year level. 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.
Colac Secondary College is a small government secondary school with approximately 476 students. It offers education for years 7-12. As a government school, enrolment is generally available to students living within the school's designated catchment zone. Families outside the zone may apply for out-of-area placement subject to availability.
Colac Secondary College is a government school, so there are no tuition fees. Families may be asked to contribute to voluntary school fees covering materials, excursions, and activities. The school has a value score of 48/100 on SchoolRank, which compares educational outcomes relative to cost, government schools typically score well on this measure.
Colac Secondary College has a student-to-teacher ratio of 9.6:1. This is well below the national average of approximately 14:1, meaning students generally receive more individual attention. Support staff make up 30% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 82%, which is below the national benchmark.
Colac Secondary College has a median ATAR of 53.0.
Colac Secondary College is located in Colac, VIC, classified as a inner regional school. With an ICSEA of 955 (27th percentile), the school community's socio-educational advantage is below average, which means the school serves a community with greater socio-educational challenges. 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.