Colyton High is a government secondary school in St Marys with a dual focus on HSC pathways and vocational training.
NAPLAN well below national year-level averages; the result is a C- overall.
Colyton High is a government secondary school in St Marys with a dual focus on HSC pathways and vocational training. It offers VET certificates in construction, hospitality, retail, business and entertainment alongside traditional subjects. The school runs Inspire, a gifted education program with enrichment classes, and U@Uni Academy to support university entry. Pastoral care is central to its culture, with a tight-knit community feel and dedicated support for students with additional learning needs. It suits families wanting flexible senior options and a school that knows its students well.
Colyton High School draws students from the Colyton HS (and 1 more zone).
Colyton High School has an overall SchoolRank score of 30.9/100, rated "Below Average". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school scores 37/100, indicating developing performance relative to other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 922, below the national average of 1,000.
In 2025 NAPLAN testing at Colyton High School, Year 7 students averaged 497 across the tested NAPLAN domains, well below the national average of 540 for that year level, and Year 9 students averaged 526, well 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.
Colyton High School is a medium-sized government secondary school with approximately 765 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.
Colyton 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 39/100 on SchoolRank, which compares educational outcomes relative to cost, government schools typically score well on this measure.
Colyton High School has a student-to-teacher ratio of 12.6:1. This is below the national average of approximately 14:1, meaning students generally receive more individual attention. Support staff make up 18% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 77%, which is below the national benchmark.
The Year 12 completion rate is 71%.
Colyton High School is located in St Marys, NSW, classified as a major cities school. With an ICSEA of 922 (16th 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.