School information
Student background
ACARA · 2025ICSEA measures the socio-educational advantage of a school's intake against the national average of 1000. The quarters bar shows how its students spread across the four national bands; an average school sits at 25% in each.
Socio-educational advantage
All Australian students — 25% in each quarter
Who’s enrolled
Girls and boys
- Girls 82 · 56%
- Boys 65 · 44%
Language background
- Language other than English 33%
- English only 67%
- Not stated 0%
Aboriginal or Torres Strait Islander
1% of enrolment
Sydney Montessori School has an ICSEA of 1118, above the national average of 1000 and higher than 89% of Australian schools. 50% of its students are in the top quarter of socio-educational advantage and 6% in the bottom quarter, against 25% in each quarter across all Australian schools. It enrolled 147 students in 2025 (82 girls, 65 boys), 1% Aboriginal or Torres Strait Islander and 33% with a language background other than English.
Show the data table
| Measure | Value |
|---|---|
| ICSEA | 1118 |
| ICSEA vs national average (1000) | +118 |
| ICSEA percentile | 89 |
| Bottom quarter of advantage | 6% |
| Lower-middle quarter of advantage | 12% |
| Upper-middle quarter of advantage | 32% |
| Top quarter of advantage | 50% |
| Total enrolment | 147 |
| Girls | 82 (56%) |
| Boys | 65 (44%) |
| Language other than English | 33% |
| English only | 67% |
| Not stated | 0% |
| Aboriginal or Torres Strait Islander | 1% |
School details
- Sector
- Non-Government school
- Type
- Combined
- Enrolment
- 147 students
- ICSEA
- 1118 · 89th percentile
- Address
- Gymea 2227
Sydney Montessori School: common questions
Is Sydney Montessori School a public or private school?
How many students go to Sydney Montessori School?
What is Sydney Montessori School's ICSEA?
Where is Sydney Montessori School located?
Other schools in Gymea - Grays Point
School list: NSW Government open data — ACARA Schools NSW, via the NSW data portal, CC BY 4.0. Catchments: NSW Department of Education “School intake zones” dataset, CC BY 4.0. ICSEA & student background: ACARA School Profile 2025. NAPLAN: myschool.edu.au (ACARA).