St Peter's Collegiate is an independent girls' school set on a campus of natural beauty in Stonyfell.
NAPLAN well above the national average at every tested year level and a median ATAR of 94.0; the result is an A- overall.
St Peter's Collegiate is an independent girls' school set on a campus of natural beauty in Stonyfell. The school offers the International Baccalaureate Diploma Programme alongside strong performing arts and music programs. Learning is hands-on, with a focus on service learning and outdoor experiential education. The da Vinci Decathlon is a defining feature. Pastoral care is central, and the community is notably tight-knit. A tutor program supports learning. This school suits girls who thrive with mentorship, creative outlets, and an approach that values real-world experience alongside academic rigour.
St Peter's Collegiate Girls' School is also known as SPCGS and SPCGS Stonyfell.
Median ATAR 94.0 ranks #1 of 8 South Australia schools (#1 statewide). Within South Australia Independent schools, ranks #1 of 5 (#1 in sector).
St Peter's Collegiate Girls' School has an overall SchoolRank score of 70.1/100, rated "Good". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school scores 79/100, indicating strong performance relative to 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 St Peter's Collegiate Girls' School, Year 3 students averaged 468 across the tested NAPLAN domains, well above the national average of 407 for that year level, and Year 5 students averaged 546, well above the national average of 490 for that year level, and Year 7 students averaged 625, well above the national average of 540 for that year level, and Year 9 students averaged 630, 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.
St Peter's Collegiate Girls' School is a medium-sized independent combined school with approximately 873 students. It offers education for years R-12. As a independent school, enrolment typically involves an application process. Contact the school directly for enrolment criteria, waiting lists, and open day information.
St Peter's Collegiate Girls' School has approximate annual tuition fees of $24,775. Actual fees may vary by year level, and additional costs for uniforms, camps, and extracurricular activities typically apply. The school's value score is 57/100, which measures academic outcomes relative to the cost of attendance.
St Peter's Collegiate Girls' School has a student-to-teacher ratio of 11.4:1. 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 92%, which is strong.
St Peter's Collegiate Girls' School has a median ATAR of 94.0.
St Peter's Collegiate Girls' School is located in Stonyfell, SA, classified as a major cities school. With an ICSEA of 1180 (99th 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.