Non-Government school · Combined

Blue Mountains Grammar School

Wentworth Falls, 2782 — in Wentworth Falls

SectorSchools

Non-Government

Combined school

NSW school data

Year levels

—

official range

NSW school data

ICSEA

1140

national average is 1000

ACARA 2025

Suburb

Wentworth Falls

SA2 this campus sits in

ABS boundary

School information

Blue Mountains Grammar School is a non-government combined primary–secondary school in Wentworth Falls, Sydney. It had 512 students, per NSW school data. Its ICSEA is 1140, above the national average of 1000 (93rd percentile nationally). NAPLAN results for Blue Mountains Grammar 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.

1140ICSEA — 140 points above the national average of 1000, higher than 93% of Australian schools

+140

820national average · 10001180

vs avg

Socio-educational advantage

Bottom quarter 3%Lower-middle quarter 13%Upper-middle quarter 27%Top quarter 57%

13%27%57%

All Australian students — 25% in each quarter

Who’s enrolled

512students in 2025

Girls and boys

Girls 244 · 48%
Boys 268 · 52%

Language background

Language other than English 17%
English only 83%
Not stated 0%

Aboriginal or Torres Strait Islander

1% of enrolment

Blue Mountains Grammar School has an ICSEA of 1140, above the national average of 1000 and higher than 93% of Australian schools. 57% of its students are in the top quarter of socio-educational advantage and 3% in the bottom quarter, against 25% in each quarter across all Australian schools. It enrolled 512 students in 2025 (244 girls, 268 boys), 1% Aboriginal or Torres Strait Islander and 17% with a language background other than English.

Show the data table

Blue Mountains Grammar School — student background, ACARA School Profile 2025
Measure	Value
ICSEA	1140
ICSEA vs national average (1000)	+140
ICSEA percentile	93
Bottom quarter of advantage	3%
Lower-middle quarter of advantage	13%
Upper-middle quarter of advantage	27%
Top quarter of advantage	57%
Total enrolment	512
Girls	244 (48%)
Boys	268 (52%)
Language other than English	17%
English only	83%
Not stated	0%
Aboriginal or Torres Strait Islander	1%

NAPLAN results and student progress for Blue Mountains Grammar School are on My School, ACARA’s official site.

School details

Sector: Non-Government school
Type: Combined
Enrolment: 512 students
ICSEA: 1140 · 93rd percentile
Address: Wentworth Falls 2782

Blue Mountains Grammar School: common questions

Is Blue Mountains Grammar School a public or private school?

Blue Mountains Grammar School is a non-government (non-government) combined primary–secondary school in Wentworth Falls, Sydney.

How many students go to Blue Mountains Grammar School?

Blue Mountains Grammar School had 512 students enrolled, per NSW school data.

What is Blue Mountains Grammar School's ICSEA?

Blue Mountains Grammar School has an ICSEA of 1140, above the national average of 1000 (93rd percentile nationally), per the ACARA School Profile 2025. ICSEA reflects the socio-educational background of a school's students, not its results.

Where is Blue Mountains Grammar School located?

Blue Mountains Grammar School is at Wentworth Falls 2782.

Other schools in Wentworth Falls

Kindlehill SchoolNon-Government · Combined Wentworth Falls 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).