Independent girls' combined school (Prep–12) in South Brisbane with 1377 students.
NAPLAN well above the national average at every tested year level; the result is an A- overall.
Somerville House has an overall SchoolRank score of 75.1/100, rated "Excellent". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school grades A (Excellent) against other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 1180, well above the national average of 1,000.
In 2025 NAPLAN testing at Somerville House, Year 3 students averaged 494 across the tested NAPLAN domains, well above the national average of 407 for that year level, and Year 5 students averaged 557, well above the national average of 490 for that year level, and Year 7 students averaged 599, well above the national average of 540 for that year level, and Year 9 students averaged 634, well above the national average of 569 for that year level. Relative to national year-level averages, the school's strongest domain is Grammar. 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.
Somerville House is a large Independent combined school with approximately 1,377 students. It offers education for years Prep-12. As an Independent school, enrolment typically involves an application process. Contact the school directly for enrolment criteria, waiting lists, and open day information.
Somerville House has a student-to-teacher ratio of 11.3:1. This is below the national average of approximately 14:1, meaning students generally receive more individual attention. Support staff make up 42% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 94%, which is strong.
The Year 12 completion rate is 99%.
Somerville House is located in South Brisbane, QLD, classified as a major cities school. With an ICSEA of 1180 (98th 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.