Small government primary school (K–6, 319 students) in St Marys, NSW, serving a culturally diverse community.
NAPLAN well below national year-level averages; the result is a C- overall.
St Marys South Public School draws students from the St Marys SPS (and 2 more zones).
St Marys South Public School has an overall SchoolRank score of 34.4/100, rated "Below Average". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school scores 39/100, indicating developing performance relative to other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 945, below the national average of 1,000.
In 2025 NAPLAN testing at St Marys South Public School, Year 3 students averaged 345 across the tested NAPLAN domains, well below the national average of 407 for that year level, and Year 5 students averaged 467, below the national average of 490 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.
St Marys South Public School is a small government primary school with approximately 319 students. It offers education for years K-6. 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.
St Marys South Public 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 41/100 on SchoolRank, which compares educational outcomes relative to cost, government schools typically score well on this measure.
St Marys South Public School has a student-to-teacher ratio of 16.8:1. This is above the national average of approximately 14:1, meaning class sizes are typical for Australian schools. Support staff make up 13% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 88%, which is moderate.
St Marys South Public School is located in St Marys, NSW, classified as a major cities school. With an ICSEA of 945 (23th 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.