AustraliaSAO'Sullivan BeachSouthern Montessori School

Southern Montessori School

IndependentCombinedR-9
O'Sullivan Beach, SA 5166 · Major Cities
Students230enrolled
Ratio1:12.5student:teacher
SEIFA1/10advantage decile
School Snapshot
Independent
Combined · R-9
ICSEA1095
vs National+95 (avg 1000)
Students230
SEIFA1/10
SettingMajor Cities
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Southern Montessori

Key Indicators

How this school compares to national averages

Nat. avg: 1,000
1095+95
ICSEA Score
Nat. avg: 434
230
Total Enrolments
Nat. avg: 12.3
12.5:1+0.2
Student : Teacher
Nat. avg: 26.9%
16%
LBOTE
Nat. avg: 11.7%
0%
Indigenous Students
Higher = less disadvantaged
1 / 10
SEIFA IRSD Decile
Nat. avg: 25%
35%+10pp
SEA Top Quarter
R-9
Year Range

Overview

Southern Montessori School is a independent combined school in O'Sullivan Beach, South Australia, serving R-9. The school has 230 enrolled students. Its ICSEA value is 1095 (above average). The student-to-teacher ratio is 12.5:1. The school is located in a SEIFA IRSD decile 1 area.

Source: ACARA School Profile 2025 (2025)

Key Facts

SectorIndependent
School TypeCombined
Year RangeR-9
Governing BodyAssociation of Independent Schools of SA
Postcode5166
RemotenessMajor Cities
ACARA ID49796

Student Background

Total Enrolments230
Gender Split122 girls / 108 boys
Indigenous Students0%
Language Background Other Than English16%
English Background83%
Language Not Stated1%

Socio-Educational Advantage Distribution

Bottom quarter
6%
Lower middle
22%
Upper middle
37%
Top quarter
35%
Source: ACARA School Profile (2025)

Enrolment by Year Level

230 students across 10 year levels (2025)

One year before Yr 135
Yr 129
Yr 227
Yr 321
Yr 423
Yr 522
Yr 623
Yr 723
See full breakdown
Source: ACARA Enrolments by Grade (2025)

Staffing

Teaching Staff28 (18.4 FTE)
Non-Teaching Staff19 (11.1 FTE)
Total Staff47
Student:Teacher Ratio12.5:1
Source: ACARA School Profile (2025)