CatholicPrimaryYears K-6· Major Cities

St Mary's Catholic Primary School

Erskineville, NSW 2043 · Catholic Schools NSW

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ICSEA

1145

94th percentile nationally

Elite (top decile)

Total enrolments

169

Primary

Student–teacher ratio

15:1

11.1 FTE teachers

Gender mix

51% / 49%

girls / boys

Language background

42%

non-English at home

Socio-educational advantage

Share of students in each national SEA quarter (bottom = most disadvantaged, top = most advantaged).

Bottom: 3%
Lower-mid: 9%
Upper-mid: 27%
Top: 60%

Source: ACARA My School 2025. ICSEA reflects the socio-educational background of a school's students — not academic results or teaching quality. National average = 1000. See data sources.