Government co-ed secondary (Years 7–12) of 1090 students in Greystanes, Western Sydney.
NAPLAN in line with national year-level averages; the result is a B- overall.
Greystanes High School is also known as Greystanes HS and GHS Greystanes.
1 HSC Top Achievers — #129 of 240 New South Wales schools.
Greystanes High School draws students from the Greystanes HS (and 1 more zone).
Greystanes High School has an overall SchoolRank score of 47.3/100, rated "Average". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school scores 52/100, indicating moderate performance relative to other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 1003, close to the national average of 1,000.
In 2025 NAPLAN testing at Greystanes High School, Year 7 students averaged 536 across the tested NAPLAN domains, in line with the national average of 540 for that year level, and Year 9 students averaged 560, 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.
Greystanes High School is a large government secondary school with approximately 1,090 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.
Greystanes 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 55/100 on SchoolRank, which compares educational outcomes relative to cost, government schools typically score well on this measure.
Greystanes High School has a student-to-teacher ratio of 14.3:1. This is around the national average of approximately 14:1, meaning class sizes are typical for Australian schools. Support staff make up 18% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 86%, which is moderate.
Greystanes High School is located in Greystanes, NSW, classified as a major cities school. With an ICSEA of 1003 (48th 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.