Non-Government school · Primary

Inner Sydney Montessori School

Balmain, 2041 — in Balmain

SectorSchools

Non-Government

Primary school

NSW school data

Year levels

—

official range

NSW school data

ICSEA

1178

national average is 1000

ACARA 2025

Suburb

Balmain

SA2 this campus sits in

ABS boundary

School information

Inner Sydney Montessori School is a non-government primary school in Balmain, Sydney. It had 95 students, per NSW school data. Its ICSEA is 1178, above the national average of 1000 (98th percentile nationally). NAPLAN results for Inner Sydney Montessori School are published on its My School profile (ACARA).

Student background

ACARA · 2025

ICSEA 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.

1178ICSEA — 178 points above the national average of 1000, higher than 98% of Australian schools

+178

820national average · 10001180

vs avg

Socio-educational advantage

Bottom quarter 1%Lower-middle quarter 6%Upper-middle quarter 23%Top quarter 71%

23%71%

All Australian students — 25% in each quarter

Who’s enrolled

95students in 2025

Girls and boys

Girls 40 · 42%
Boys 55 · 58%

Language background

Language other than English 51%
English only 49%
Not stated 0%

Aboriginal or Torres Strait Islander

0% of enrolment

Inner Sydney Montessori School has an ICSEA of 1178, above the national average of 1000 and higher than 98% of Australian schools. 71% of its students are in the top quarter of socio-educational advantage and 1% in the bottom quarter, against 25% in each quarter across all Australian schools. It enrolled 95 students in 2025 (40 girls, 55 boys), 0% Aboriginal or Torres Strait Islander and 51% with a language background other than English.

Show the data table

Inner Sydney Montessori School — student background, ACARA School Profile 2025
Measure	Value
ICSEA	1178
ICSEA vs national average (1000)	+178
ICSEA percentile	98
Bottom quarter of advantage	1%
Lower-middle quarter of advantage	6%
Upper-middle quarter of advantage	23%
Top quarter of advantage	71%
Total enrolment	95
Girls	40 (42%)
Boys	55 (58%)
Language other than English	51%
English only	49%
Not stated	0%
Aboriginal or Torres Strait Islander	0%

NAPLAN results and student progress for Inner Sydney Montessori School are on My School, ACARA’s official site.

School details

Sector: Non-Government school
Type: Primary
Enrolment: 95 students
ICSEA: 1178 · 98th percentile
Address: Balmain 2041

Inner Sydney Montessori School: common questions

Is Inner Sydney Montessori School a public or private school?

Inner Sydney Montessori School is a non-government (non-government) primary school in Balmain, Sydney.

How many students go to Inner Sydney Montessori School?

Inner Sydney Montessori School had 95 students enrolled, per NSW school data.

What is Inner Sydney Montessori School's ICSEA?

Inner Sydney Montessori School has an ICSEA of 1178, above the national average of 1000 (98th percentile nationally), per the ACARA School Profile 2025. ICSEA reflects the socio-educational background of a school's students, not its results.

Where is Inner Sydney Montessori School located?

Inner Sydney Montessori School is at Balmain 2041.

Other schools in Balmain

Balmain Public SchoolState · Primary Birchgrove Public SchoolState · Primary Fr John Therry Catholic Primary School Balmain-RozelleNon-Government · Primary Nicholson Street Public SchoolState · Primary

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).