Colo High is a structured, traditional government school with a strong community feel.
NAPLAN in line with national year-level averages; the result is a B- overall.
Colo High is a structured, traditional government school with a strong community feel. Its rugby union program and whole school concert tradition give it a distinct identity. The school offers support for high-potential students through its Inspire program, alongside targeted literacy help and dedicated Aboriginal student support. Pastoral care runs deep here. It suits families wanting a tight-knit environment where students are known, and those drawn to the school's sporting and cultural focus.
Colo High School is also known as Colo HS and CHS North Richmond.
Colo High School draws students from the Colo HS (and 1 more zone).
Colo High School has an overall SchoolRank score of 42.9/100, rated "Average". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school scores 50/100, indicating moderate performance relative to other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 1001, close to the national average of 1,000.
In 2025 NAPLAN testing at Colo High School, Year 7 students averaged 530 across the tested NAPLAN domains, below the national average of 540 for that year level, and Year 9 students averaged 563, in line with 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.
Colo High School is a medium-sized government secondary school with approximately 807 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.
Colo High School 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 53/100 on SchoolRank, which compares educational outcomes relative to cost, government schools typically score well on this measure.
Colo High School has a student-to-teacher ratio of 13.9:1. This is around the national average of approximately 14:1, meaning class sizes are typical for Australian schools. Support staff make up 17% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 85%, which is moderate.
Colo High School is located in North Richmond, NSW, classified as a major cities school. With an ICSEA of 1001 (47th 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.