Large independent co-ed combined school (Prep-12) in Corio, VIC, with multiple campuses.
NAPLAN averaging +36 above national year-level averages and a median ATAR of 77.0; the result is a B+ overall.
Geelong Grammar School is also known as GGS Corio and Geelong Corio.
Median ATAR 77.0 ranks #75 of 522 Victoria schools. Within Victoria Independent schools, ranks #52 of 136.
Geelong Grammar School has an overall SchoolRank score of 69.5/100, rated "Good". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school scores 68/100, indicating moderate performance relative to other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 1149, well above the national average of 1,000.
In 2025 NAPLAN testing at Geelong Grammar School, Year 3 students averaged 449 across the tested NAPLAN domains, well above the national average of 407 for that year level, and Year 5 students averaged 519, above the national average of 490 for that year level, and Year 7 students averaged 574, above the national average of 540 for that year level, and Year 9 students averaged 606, above 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.
Geelong Grammar School is a large independent combined school with approximately 1,422 students. It offers education for years Prep-12. As a independent school, enrolment typically involves an application process. Contact the school directly for enrolment criteria, waiting lists, and open day information.
Geelong Grammar School has a student-to-teacher ratio of 8.0:1. This is well below the national average of approximately 14:1, meaning students generally receive more individual attention. Support staff make up 50% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 95%, which is strong.
Geelong Grammar School has a median ATAR of 77.0.
Geelong Grammar School is located in Corio, VIC, classified as a major cities school. With an ICSEA of 1149 (95th percentile), the school community's socio-educational advantage is above average, families tend to have higher education and income levels. 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.