IndependentCombinedYears K-12· Major Cities

Elonera Montessori School

Mount Ousley, NSW 2519 · Independent Schools NSW

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ICSEA

1108

86th percentile nationally

Elite (top decile)

Total enrolments

187

Combined

Student–teacher ratio

10:1

19.1 FTE teachers

Gender mix

46% / 54%

girls / boys

Language background

14%

non-English at home

Socio-educational advantage

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

Bottom: 4%

Lower-mid: 17%

Upper-mid: 35%

Top: 44%

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Other schools in Mount Ousley

Pleasant Heights Public School

Government · Primary

1126

Good Samaritan Catholic Primary School

Catholic · Primary

1081

Mount Ousley Public School

Government · Primary

1079

Balgownie Public School

Government · Primary

1076

Wollongong High School of the Performing Arts

Government · Secondary

1075

Towradgi Public School

Government · Primary

1031

Fairy Meadow Public School

Government · Primary

1002

Keira High School

Government · Secondary

984

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.