Enrolment
Girls vs boys enrolment
230
reported total enrolments
122 girls
108 boys
53% girls47% boys
Southern Montessori School reports 230 total enrolments, including 122 girls and 108 boys. The reported enrolment mix is 53% girls and 47% boys.
2025 Australia school profile data
Southern Montessori School
Southern Montessori School is a independent combined school in O'Sullivan Beach, South Australia, with 230 reported enrolments, a student-teacher ratio of 12.5:1, and an ICSEA percentile of 83.
O'Sullivan Beach, SA 5166IndependentCombinedR-9
IndependentCombinedCo-educational
Quick school snapshot
What stands out in the profile
School model
Southern Montessori School is listed as Independent and Combined, with a reported year range of R-9.
Enrolment size
The school reports 230 total enrolments, including 122 girls and 108 boys where available.
ICSEA context
The ICSEA value is 1,095, with percentile 83 in the current dataset.
Gender profile
The gender type is Co-educational, with a reported mix of 53% girls and 47% boys.
Staff ratio
The student-teacher ratio is 12.5:1, based on 18.4 FTE teaching staff where available.
Local area
The campus is in O'Sullivan Beach, South Australia, within Onkaparinga.
Profile signals
School profile dashboard
The main student and context indicators are shown visually so the profile reads like a school intelligence page, not a spreadsheet.
Southern Montessori School profile summary
Southern Montessori School is listed as a independent combined school in O'Sullivan Beach, South Australia. The profile reports 230 total enrolments, an ICSEA value of 1,095, and a student-teacher ratio of 12.5:1 where available. The reported year range is R-9, and the campus sits within Onkaparinga local government area.
Socio-educational
ICSEA percentile
83
percentile where available
ICSEA
1,095
Southern Montessori School sits at the 83 ICSEA percentile in the reported dataset.
SEA quarters
Socio-educational distribution
Bottom
6%
Lower-middle
22%
Upper-middle
37%
Top
35%
The socio-educational distribution lists 6% in the bottom quarter, 22% in the lower-middle quarter, 37% in the upper-middle quarter, and 35% in the top quarter.
Staff
Staff profile summary
Teaching staff
28
FTE teaching
18.4
Non-teaching
19
Student-teacher
12.5:1
The profile reports 28 teaching staff and 19 non-teaching staff, with a student-teacher ratio of 12.5:1.
Location
Campus location and area context
Location context combines suburb, postcode, administrative areas and a direct maps link where data is available.
- Suburb
- O'Sullivan Beach
- Postcode
- 5166
- State
- South Australia
- Local government area
- Onkaparinga
- Statistical Area Level 2
- Christies Beach
- Statistical Area Level 3
- Onkaparinga
- Statistical Area Level 4
- Adelaide - South
- Remoteness area
- Major Cities
Governance
Governance and official links
Official school and governing body links are included when the dataset provides them.
- Governing body
- Association of Independent Schools of SA
- Governing body URL
- Visit website
- School URL
- Visit school website
- Campus type
- School Head Campus
- Reporting description
- Rolled Reporting
Community
Student community profile
Student community indicators are reported as percentages where available.
- Indigenous enrolment
- 0%
- Language background other than English: yes
- 16%
- Language background other than English: no
- 83%
- Language background other than English: not stated
- 1%
Nearby
Nearby and similar schools
Similar schools are selected from the same suburb first, then from the same local government area where needed.
GovernmentPrimary
O'Sullivan Beach Primary School
O'Sullivan Beach, SA 5166
Same suburb
- Enrol.
- 84
- ICSEA
- 926
- Ratio
- 12.0:1
GovernmentPrimary
Aberfoyle Hub Primary School
Aberfoyle Park, SA 5159
Same local area
- Enrol.
- 241
- ICSEA
- 1,030
- Ratio
- 14.4:1
GovernmentSecondary
Aberfoyle Park High School
Aberfoyle Park, SA 5159
Same local area
- Enrol.
- 906
- ICSEA
- 1,039
- Ratio
- 13.1:1
GovernmentPrimary
Aldinga Beach Primary School
Aldinga, SA 5173
Same local area
- Enrol.
- 377
- ICSEA
- 959
- Ratio
- 15.8:1
GovernmentCombined
Aldinga Payinthi College
Aldinga, SA 5173
Same local area
- Enrol.
- 831
- ICSEA
- 954
- Ratio
- 12.9:1
CatholicPrimary
All Saints Catholic Primary School
Seaford, SA 5169
Same local area
- Enrol.
- 536
- ICSEA
- 1,017
- Ratio
- 15.7:1
FAQ
Questions about Southern Montessori School
How many students attend Southern Montessori School?
Southern Montessori School has 230 reported total enrolments. The student profile lists 122 girls and 108 boys where gender enrolment fields are available.
What type of school is Southern Montessori School?
Southern Montessori School is listed as a Independent school with school type Combined. The reported year range is R-9.
Where is Southern Montessori School located?
Southern Montessori School is located in O'Sullivan Beach, SA 5166. The local government area is Onkaparinga.
What is the ICSEA value of Southern Montessori School?
The ICSEA value for Southern Montessori School is 1,095 and the ICSEA percentile is 83. If either value is missing in the source data, it is shown as Not available rather than zero.
Is Southern Montessori School boys-only, girls-only or co-educational?
Southern Montessori School is listed as Co-educational. The reported gender mix is 53% girls and 47% boys where percentage fields are available.
Data note
Built from structured 2025 school profile data
This page uses structured 2025 Australian school profile data. Some values may be unavailable where they are not reported in the source dataset. Profile pages are designed to make enrolment, ICSEA, location and school context easier to compare.