Non-Government school · Combined

St Luke's Grammar School

Dee Why, 2099 — in Dee Why (South) - North Curl Curl

SectorSchools

Non-Government

Combined school

NSW school data

Year levels

—

official range

NSW school data

ICSEA

1178

national average is 1000

ACARA 2025

Suburb

Dee Why (South) - North Curl Curl

SA2 this campus sits in

ABS boundary

School information

St Luke's Grammar School is a non-government combined primary–secondary school in Dee Why (South) - North Curl Curl, Sydney. It had 1,481 students, per NSW school data. Its ICSEA is 1178, above the national average of 1000 (98th percentile nationally). NAPLAN results for St Luke's 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.

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 22%Top quarter 71%

22%71%

All Australian students — 25% in each quarter

Who’s enrolled

1,481students in 2025

Girls and boys

Girls 719 · 49%
Boys 762 · 51%

Language background

Language other than English 14%
English only 86%
Not stated 0%

Aboriginal or Torres Strait Islander

0% of enrolment

St Luke's Grammar 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 1,481 students in 2025 (719 girls, 762 boys), 0% Aboriginal or Torres Strait Islander and 14% with a language background other than English.

Show the data table

St Luke's Grammar 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	22%
Top quarter of advantage	71%
Total enrolment	1,481
Girls	719 (49%)
Boys	762 (51%)
Language other than English	14%
English only	86%
Not stated	0%
Aboriginal or Torres Strait Islander	0%

NAPLAN results and student progress for St Luke's Grammar School are on My School, ACARA’s official site.

School details

Sector: Non-Government school
Type: Combined
Enrolment: 1,481 students
ICSEA: 1178 · 98th percentile
Address: Dee Why 2099

St Luke's Grammar School: common questions

Is St Luke's Grammar School a public or private school?

St Luke's Grammar School is a non-government (non-government) combined primary–secondary school in Dee Why (South) - North Curl Curl, Sydney.

How many students go to St Luke's Grammar School?

St Luke's Grammar School had 1,481 students enrolled, per NSW school data.

What is St Luke's Grammar School's ICSEA?

St Luke's Grammar 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 St Luke's Grammar School located?

St Luke's Grammar School is at Dee Why 2099, in the Dee Why (South) - North Curl Curl SA2.

Other schools in Dee Why (South) - North Curl Curl

Curl Curl North Public SchoolState · Primary Northern Beaches Secondary College Manly CampusState · Secondary

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).